Home / 391,191,767.39-586,872,331.73-118,583,092.19

Finding the Fourth Proportional to 391,191,767.39, 586,872,331.73 and 118,583,092.19

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Solution

The fourth proportional to 391,191,767.39, 586,872,331.73 and 118,583,092.19 is: 177,900,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,191,767.39 : 586,872,331.73 = 118,583,092.19 : x
  2. Step 2: Convert to fraction form
    391,191,767.39/586,872,331.73 = 118,583,092.19/x
  3. Step 3: Cross multiply
    391,191,767.39x = 586,872,331.73 × 118,583,092.19
  4. Step 4: Simplify right side
    391,191,767.39x = 69,593,135,818,617,800
  5. Step 5: Solve for x
    x = 69,593,135,818,617,800/391,191,767.39
  6. Step 6: Final answer
    x = 177,900,307.78

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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.