Home / 754,103,584.77-1,040,807,026.83-499,335,583.91

Finding the Fourth Proportional to 754,103,584.77, 1,040,807,026.83 and 499,335,583.91

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Solution

The fourth proportional to 754,103,584.77, 1,040,807,026.83 and 499,335,583.91 is: 689,178,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,103,584.77 : 1,040,807,026.83 = 499,335,583.91 : x
  2. Step 2: Convert to fraction form
    754,103,584.77/1,040,807,026.83 = 499,335,583.91/x
  3. Step 3: Cross multiply
    754,103,584.77x = 1,040,807,026.83 × 499,335,583.91
  4. Step 4: Simplify right side
    754,103,584.77x = 519,711,984,479,867,008
  5. Step 5: Solve for x
    x = 519,711,984,479,867,008/754,103,584.77
  6. Step 6: Final answer
    x = 689,178,509.39

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1.5x scale

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.