Home / 5,281,567,140.70-7,922,350,711.05-2,832,687,012.70

Finding the Fourth Proportional to 5,281,567,140.70, 7,922,350,711.05 and 2,832,687,012.70

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Solution

The fourth proportional to 5,281,567,140.70, 7,922,350,711.05 and 2,832,687,012.70 is: 4,249,030,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,567,140.70 : 7,922,350,711.05 = 2,832,687,012.70 : x
  2. Step 2: Convert to fraction form
    5,281,567,140.70/7,922,350,711.05 = 2,832,687,012.70/x
  3. Step 3: Cross multiply
    5,281,567,140.70x = 7,922,350,711.05 × 2,832,687,012.70
  4. Step 4: Simplify right side
    5,281,567,140.70x = 22,441,539,969,245,945,856
  5. Step 5: Solve for x
    x = 22,441,539,969,245,945,856/5,281,567,140.70
  6. Step 6: Final answer
    x = 4,249,030,519.05

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Half scale
Find fourth proportional to 10,563,134,281.40, 15,844,701,422.10 and 5,665,374,025.40
Double scale
Find fourth proportional to 5,281,567,141.70, 7,922,350,712.55 and 2,832,687,013.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.