Home / 551,445,448.80-826,034,432.40-379,116,847.20

Finding the Fourth Proportional to 551,445,448.80, 826,034,432.40 and 379,116,847.20

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Solution

The fourth proportional to 551,445,448.80, 826,034,432.40 and 379,116,847.20 is: 567,895,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445,448.80 : 826,034,432.40 = 379,116,847.20 : x
  2. Step 2: Convert to fraction form
    551,445,448.80/826,034,432.40 = 379,116,847.20/x
  3. Step 3: Cross multiply
    551,445,448.80x = 826,034,432.40 × 379,116,847.20
  4. Step 4: Simplify right side
    551,445,448.80x = 313,163,569,690,129,536
  5. Step 5: Solve for x
    x = 313,163,569,690,129,536/551,445,448.80
  6. Step 6: Final answer
    x = 567,895,827.90

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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.