Home / 551,221,433.40-826,832,150.10-206,156,792.10

Finding the Fourth Proportional to 551,221,433.40, 826,832,150.10 and 206,156,792.10

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Solution

The fourth proportional to 551,221,433.40, 826,832,150.10 and 206,156,792.10 is: 309,235,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,221,433.40 : 826,832,150.10 = 206,156,792.10 : x
  2. Step 2: Convert to fraction form
    551,221,433.40/826,832,150.10 = 206,156,792.10/x
  3. Step 3: Cross multiply
    551,221,433.40x = 826,832,150.10 × 206,156,792.10
  4. Step 4: Simplify right side
    551,221,433.40x = 170,457,063,669,761,696
  5. Step 5: Solve for x
    x = 170,457,063,669,761,696/551,221,433.40
  6. Step 6: Final answer
    x = 309,235,188.15

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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.