Home / 1,165,011,200.59-1,607,715,395-629,162,820.49

Finding the Fourth Proportional to 1,165,011,200.59, 1,607,715,395 and 629,162,820.49

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Solution

The fourth proportional to 1,165,011,200.59, 1,607,715,395 and 629,162,820.49 is: 868,244,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,011,200.59 : 1,607,715,395 = 629,162,820.49 : x
  2. Step 2: Convert to fraction form
    1,165,011,200.59/1,607,715,395 = 629,162,820.49/x
  3. Step 3: Cross multiply
    1,165,011,200.59x = 1,607,715,395 × 629,162,820.49
  4. Step 4: Simplify right side
    1,165,011,200.59x = 1,011,514,752,463,394,432
  5. Step 5: Solve for x
    x = 1,011,514,752,463,394,432/1,165,011,200.59
  6. Step 6: Final answer
    x = 868,244,658.89

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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.