Home / 5,281,567,139.20-7,922,350,708.80-2,832,687,011.20

Finding the Fourth Proportional to 5,281,567,139.20, 7,922,350,708.80 and 2,832,687,011.20

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Solution

The fourth proportional to 5,281,567,139.20, 7,922,350,708.80 and 2,832,687,011.20 is: 4,249,030,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,567,139.20 : 7,922,350,708.80 = 2,832,687,011.20 : x
  2. Step 2: Convert to fraction form
    5,281,567,139.20/7,922,350,708.80 = 2,832,687,011.20/x
  3. Step 3: Cross multiply
    5,281,567,139.20x = 7,922,350,708.80 × 2,832,687,011.20
  4. Step 4: Simplify right side
    5,281,567,139.20x = 22,441,539,950,988,873,728
  5. Step 5: Solve for x
    x = 22,441,539,950,988,873,728/5,281,567,139.20
  6. Step 6: Final answer
    x = 4,249,030,516.80

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Half scale
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Double scale
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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.