Home / 729,251,111.46-1,006,366,504.92-399,226,250.46

Finding the Fourth Proportional to 729,251,111.46, 1,006,366,504.92 and 399,226,250.46

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Solution

The fourth proportional to 729,251,111.46, 1,006,366,504.92 and 399,226,250.46 is: 550,932,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,251,111.46 : 1,006,366,504.92 = 399,226,250.46 : x
  2. Step 2: Convert to fraction form
    729,251,111.46/1,006,366,504.92 = 399,226,250.46/x
  3. Step 3: Cross multiply
    729,251,111.46x = 1,006,366,504.92 × 399,226,250.46
  4. Step 4: Simplify right side
    729,251,111.46x = 401,767,926,347,746,688
  5. Step 5: Solve for x
    x = 401,767,926,347,746,688/729,251,111.46
  6. Step 6: Final answer
    x = 550,932,209.82

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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.