Home / 382,001,013.20-572,151,214.20-330,982,677.20

Finding the Fourth Proportional to 382,001,013.20, 572,151,214.20 and 330,982,677.20

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Solution

The fourth proportional to 382,001,013.20, 572,151,214.20 and 330,982,677.20 is: 495,737,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,001,013.20 : 572,151,214.20 = 330,982,677.20 : x
  2. Step 2: Convert to fraction form
    382,001,013.20/572,151,214.20 = 330,982,677.20/x
  3. Step 3: Cross multiply
    382,001,013.20x = 572,151,214.20 × 330,982,677.20
  4. Step 4: Simplify right side
    382,001,013.20x = 189,372,140,639,146,656
  5. Step 5: Solve for x
    x = 189,372,140,639,146,656/382,001,013.20
  6. Step 6: Final answer
    x = 495,737,273.19

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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.