Home / 438,780,884.76-657,979,984.62-165,960,333

Finding the Fourth Proportional to 438,780,884.76, 657,979,984.62 and 165,960,333

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Solution

The fourth proportional to 438,780,884.76, 657,979,984.62 and 165,960,333 is: 248,868,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,780,884.76 : 657,979,984.62 = 165,960,333 : x
  2. Step 2: Convert to fraction form
    438,780,884.76/657,979,984.62 = 165,960,333/x
  3. Step 3: Cross multiply
    438,780,884.76x = 657,979,984.62 × 165,960,333
  4. Step 4: Simplify right side
    438,780,884.76x = 109,198,577,354,870,080
  5. Step 5: Solve for x
    x = 109,198,577,354,870,080/438,780,884.76
  6. Step 6: Final answer
    x = 248,868,127.91

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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.