Home / 517,382,970.32-776,074,489.31-413,264,694.98

Finding the Fourth Proportional to 517,382,970.32, 776,074,489.31 and 413,264,694.98

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Solution

The fourth proportional to 517,382,970.32, 776,074,489.31 and 413,264,694.98 is: 619,897,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,382,970.32 : 776,074,489.31 = 413,264,694.98 : x
  2. Step 2: Convert to fraction form
    517,382,970.32/776,074,489.31 = 413,264,694.98/x
  3. Step 3: Cross multiply
    517,382,970.32x = 776,074,489.31 × 413,264,694.98
  4. Step 4: Simplify right side
    517,382,970.32x = 320,724,187,105,744,704
  5. Step 5: Solve for x
    x = 320,724,187,105,744,704/517,382,970.32
  6. Step 6: Final answer
    x = 619,897,069.49

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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.