Home / 754,103,585.77-1,040,807,028.21-499,335,584.91

Finding the Fourth Proportional to 754,103,585.77, 1,040,807,028.21 and 499,335,584.91

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Solution

The fourth proportional to 754,103,585.77, 1,040,807,028.21 and 499,335,584.91 is: 689,178,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,103,585.77 : 1,040,807,028.21 = 499,335,584.91 : x
  2. Step 2: Convert to fraction form
    754,103,585.77/1,040,807,028.21 = 499,335,584.91/x
  3. Step 3: Cross multiply
    754,103,585.77x = 1,040,807,028.21 × 499,335,584.91
  4. Step 4: Simplify right side
    754,103,585.77x = 519,711,986,209,679,296
  5. Step 5: Solve for x
    x = 519,711,986,209,679,296/754,103,585.77
  6. Step 6: Final answer
    x = 689,178,510.77

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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.