Home / 329,304,820.38-493,298,659.20-198,074,638.08

Finding the Fourth Proportional to 329,304,820.38, 493,298,659.20 and 198,074,638.08

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Solution

The fourth proportional to 329,304,820.38, 493,298,659.20 and 198,074,638.08 is: 296,715,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,304,820.38 : 493,298,659.20 = 198,074,638.08 : x
  2. Step 2: Convert to fraction form
    329,304,820.38/493,298,659.20 = 198,074,638.08/x
  3. Step 3: Cross multiply
    329,304,820.38x = 493,298,659.20 × 198,074,638.08
  4. Step 4: Simplify right side
    329,304,820.38x = 97,709,953,386,389,264
  5. Step 5: Solve for x
    x = 97,709,953,386,389,264/329,304,820.38
  6. Step 6: Final answer
    x = 296,715,830.86

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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.