Home / 486,781,279.96-730,165,542.09-118,315,161.85

Finding the Fourth Proportional to 486,781,279.96, 730,165,542.09 and 118,315,161.85

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Solution

The fourth proportional to 486,781,279.96, 730,165,542.09 and 118,315,161.85 is: 177,471,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,279.96 : 730,165,542.09 = 118,315,161.85 : x
  2. Step 2: Convert to fraction form
    486,781,279.96/730,165,542.09 = 118,315,161.85/x
  3. Step 3: Cross multiply
    486,781,279.96x = 730,165,542.09 × 118,315,161.85
  4. Step 4: Simplify right side
    486,781,279.96x = 86,389,654,289,671,344
  5. Step 5: Solve for x
    x = 86,389,654,289,671,344/486,781,279.96
  6. Step 6: Final answer
    x = 177,471,192.60

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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.