Home / 765,802,800.19-1,149,038,321.97-268,170,481.59

Finding the Fourth Proportional to 765,802,800.19, 1,149,038,321.97 and 268,170,481.59

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Solution

The fourth proportional to 765,802,800.19, 1,149,038,321.97 and 268,170,481.59 is: 402,372,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,802,800.19 : 1,149,038,321.97 = 268,170,481.59 : x
  2. Step 2: Convert to fraction form
    765,802,800.19/1,149,038,321.97 = 268,170,481.59/x
  3. Step 3: Cross multiply
    765,802,800.19x = 1,149,038,321.97 × 268,170,481.59
  4. Step 4: Simplify right side
    765,802,800.19x = 308,138,160,166,719,488
  5. Step 5: Solve for x
    x = 308,138,160,166,719,488/765,802,800.19
  6. Step 6: Final answer
    x = 402,372,725.84

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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.