Home / 486,781,278.96-730,165,540.59-118,315,160.85

Finding the Fourth Proportional to 486,781,278.96, 730,165,540.59 and 118,315,160.85

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Solution

The fourth proportional to 486,781,278.96, 730,165,540.59 and 118,315,160.85 is: 177,471,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,278.96 : 730,165,540.59 = 118,315,160.85 : x
  2. Step 2: Convert to fraction form
    486,781,278.96/730,165,540.59 = 118,315,160.85/x
  3. Step 3: Cross multiply
    486,781,278.96x = 730,165,540.59 × 118,315,160.85
  4. Step 4: Simplify right side
    486,781,278.96x = 86,389,653,382,033,056
  5. Step 5: Solve for x
    x = 86,389,653,382,033,056/486,781,278.96
  6. Step 6: Final answer
    x = 177,471,191.10

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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.