Home / 636,949,421.07-955,479,305.57-194,391,665.39

Finding the Fourth Proportional to 636,949,421.07, 955,479,305.57 and 194,391,665.39

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Solution

The fourth proportional to 636,949,421.07, 955,479,305.57 and 194,391,665.39 is: 291,604,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,949,421.07 : 955,479,305.57 = 194,391,665.39 : x
  2. Step 2: Convert to fraction form
    636,949,421.07/955,479,305.57 = 194,391,665.39/x
  3. Step 3: Cross multiply
    636,949,421.07x = 955,479,305.57 × 194,391,665.39
  4. Step 4: Simplify right side
    636,949,421.07x = 185,737,213,449,683,648
  5. Step 5: Solve for x
    x = 185,737,213,449,683,648/636,949,421.07
  6. Step 6: Final answer
    x = 291,604,336.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.