Home / 754,103,585.03-1,040,807,027.18-499,335,584.17

Finding the Fourth Proportional to 754,103,585.03, 1,040,807,027.18 and 499,335,584.17

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Solution

The fourth proportional to 754,103,585.03, 1,040,807,027.18 and 499,335,584.17 is: 689,178,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,103,585.03 : 1,040,807,027.18 = 499,335,584.17 : x
  2. Step 2: Convert to fraction form
    754,103,585.03/1,040,807,027.18 = 499,335,584.17/x
  3. Step 3: Cross multiply
    754,103,585.03x = 1,040,807,027.18 × 499,335,584.17
  4. Step 4: Simplify right side
    754,103,585.03x = 519,711,984,919,532,096
  5. Step 5: Solve for x
    x = 519,711,984,919,532,096/754,103,585.03
  6. Step 6: Final answer
    x = 689,178,509.74

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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.