Home / 764,949,891.60-1,147,424,837.40-247,751,510.40

Finding the Fourth Proportional to 764,949,891.60, 1,147,424,837.40 and 247,751,510.40

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Solution

The fourth proportional to 764,949,891.60, 1,147,424,837.40 and 247,751,510.40 is: 371,627,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,949,891.60 : 1,147,424,837.40 = 247,751,510.40 : x
  2. Step 2: Convert to fraction form
    764,949,891.60/1,147,424,837.40 = 247,751,510.40/x
  3. Step 3: Cross multiply
    764,949,891.60x = 1,147,424,837.40 × 247,751,510.40
  4. Step 4: Simplify right side
    764,949,891.60x = 284,276,236,536,324,448
  5. Step 5: Solve for x
    x = 284,276,236,536,324,448/764,949,891.60
  6. Step 6: Final answer
    x = 371,627,265.60

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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.