Home / 1,201,721,807.28-1,659,185,884.20-750,287,773.68

Finding the Fourth Proportional to 1,201,721,807.28, 1,659,185,884.20 and 750,287,773.68

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Solution

The fourth proportional to 1,201,721,807.28, 1,659,185,884.20 and 750,287,773.68 is: 1,035,902,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,721,807.28 : 1,659,185,884.20 = 750,287,773.68 : x
  2. Step 2: Convert to fraction form
    1,201,721,807.28/1,659,185,884.20 = 750,287,773.68/x
  3. Step 3: Cross multiply
    1,201,721,807.28x = 1,659,185,884.20 × 750,287,773.68
  4. Step 4: Simplify right side
    1,201,721,807.28x = 1,244,866,883,177,700,352
  5. Step 5: Solve for x
    x = 1,244,866,883,177,700,352/1,201,721,807.28
  6. Step 6: Final answer
    x = 1,035,902,715.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.