Home / 764,949,956.10-1,147,424,934.15-247,751,574.90

Finding the Fourth Proportional to 764,949,956.10, 1,147,424,934.15 and 247,751,574.90

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Solution

The fourth proportional to 764,949,956.10, 1,147,424,934.15 and 247,751,574.90 is: 371,627,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,949,956.10 : 1,147,424,934.15 = 247,751,574.90 : x
  2. Step 2: Convert to fraction form
    764,949,956.10/1,147,424,934.15 = 247,751,574.90/x
  3. Step 3: Cross multiply
    764,949,956.10x = 1,147,424,934.15 × 247,751,574.90
  4. Step 4: Simplify right side
    764,949,956.10x = 284,276,334,515,191,328
  5. Step 5: Solve for x
    x = 284,276,334,515,191,328/764,949,956.10
  6. Step 6: Final answer
    x = 371,627,362.35

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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.