Home / 1,100,290,683.40-1,650,436,025.10-991,451,566.60

Finding the Fourth Proportional to 1,100,290,683.40, 1,650,436,025.10 and 991,451,566.60

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Solution

The fourth proportional to 1,100,290,683.40, 1,650,436,025.10 and 991,451,566.60 is: 1,487,177,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,290,683.40 : 1,650,436,025.10 = 991,451,566.60 : x
  2. Step 2: Convert to fraction form
    1,100,290,683.40/1,650,436,025.10 = 991,451,566.60/x
  3. Step 3: Cross multiply
    1,100,290,683.40x = 1,650,436,025.10 × 991,451,566.60
  4. Step 4: Simplify right side
    1,100,290,683.40x = 1,636,327,382,658,471,936
  5. Step 5: Solve for x
    x = 1,636,327,382,658,471,936/1,100,290,683.40
  6. Step 6: Final answer
    x = 1,487,177,349.90

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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.