Home / 764,949,920.10-1,147,424,880.15-247,751,538.90

Finding the Fourth Proportional to 764,949,920.10, 1,147,424,880.15 and 247,751,538.90

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Solution

The fourth proportional to 764,949,920.10, 1,147,424,880.15 and 247,751,538.90 is: 371,627,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,949,920.10 : 1,147,424,880.15 = 247,751,538.90 : x
  2. Step 2: Convert to fraction form
    764,949,920.10/1,147,424,880.15 = 247,751,538.90/x
  3. Step 3: Cross multiply
    764,949,920.10x = 1,147,424,880.15 × 247,751,538.90
  4. Step 4: Simplify right side
    764,949,920.10x = 284,276,279,829,310,592
  5. Step 5: Solve for x
    x = 284,276,279,829,310,592/764,949,920.10
  6. Step 6: Final answer
    x = 371,627,308.35

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Double scale
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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.