Home / 689,200,840.62-951,448,373.01-532,215,531.18

Finding the Fourth Proportional to 689,200,840.62, 951,448,373.01 and 532,215,531.18

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Solution

The fourth proportional to 689,200,840.62, 951,448,373.01 and 532,215,531.18 is: 734,728,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,200,840.62 : 951,448,373.01 = 532,215,531.18 : x
  2. Step 2: Convert to fraction form
    689,200,840.62/951,448,373.01 = 532,215,531.18/x
  3. Step 3: Cross multiply
    689,200,840.62x = 951,448,373.01 × 532,215,531.18
  4. Step 4: Simplify right side
    689,200,840.62x = 506,375,601,231,863,936
  5. Step 5: Solve for x
    x = 506,375,601,231,863,936/689,200,840.62
  6. Step 6: Final answer
    x = 734,728,647.13

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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.