Home / 649,541,145.60-974,311,718.40-636,627,129.30

Finding the Fourth Proportional to 649,541,145.60, 974,311,718.40 and 636,627,129.30

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Solution

The fourth proportional to 649,541,145.60, 974,311,718.40 and 636,627,129.30 is: 954,940,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,145.60 : 974,311,718.40 = 636,627,129.30 : x
  2. Step 2: Convert to fraction form
    649,541,145.60/974,311,718.40 = 636,627,129.30/x
  3. Step 3: Cross multiply
    649,541,145.60x = 974,311,718.40 × 636,627,129.30
  4. Step 4: Simplify right side
    649,541,145.60x = 620,273,272,328,341,888
  5. Step 5: Solve for x
    x = 620,273,272,328,341,888/649,541,145.60
  6. Step 6: Final answer
    x = 954,940,693.95

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Double scale
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Similar ratio
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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.