Home / 711,375,700.44-981,677,381.79-393,850,099.44

Finding the Fourth Proportional to 711,375,700.44, 981,677,381.79 and 393,850,099.44

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Solution

The fourth proportional to 711,375,700.44, 981,677,381.79 and 393,850,099.44 is: 543,501,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,375,700.44 : 981,677,381.79 = 393,850,099.44 : x
  2. Step 2: Convert to fraction form
    711,375,700.44/981,677,381.79 = 393,850,099.44/x
  3. Step 3: Cross multiply
    711,375,700.44x = 981,677,381.79 × 393,850,099.44
  4. Step 4: Simplify right side
    711,375,700.44x = 386,633,734,435,990,336
  5. Step 5: Solve for x
    x = 386,633,734,435,990,336/711,375,700.44
  6. Step 6: Final answer
    x = 543,501,463.71

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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.