Home / 475,995,311.52-710,787,607.44-388,729,942.92

Finding the Fourth Proportional to 475,995,311.52, 710,787,607.44 and 388,729,942.92

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Solution

The fourth proportional to 475,995,311.52, 710,787,607.44 and 388,729,942.92 is: 580,477,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,995,311.52 : 710,787,607.44 = 388,729,942.92 : x
  2. Step 2: Convert to fraction form
    475,995,311.52/710,787,607.44 = 388,729,942.92/x
  3. Step 3: Cross multiply
    475,995,311.52x = 710,787,607.44 × 388,729,942.92
  4. Step 4: Simplify right side
    475,995,311.52x = 276,304,426,068,394,592
  5. Step 5: Solve for x
    x = 276,304,426,068,394,592/475,995,311.52
  6. Step 6: Final answer
    x = 580,477,200.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.