Home / 551,445,436.80-826,034,414.40-379,116,835.20

Finding the Fourth Proportional to 551,445,436.80, 826,034,414.40 and 379,116,835.20

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Solution

The fourth proportional to 551,445,436.80, 826,034,414.40 and 379,116,835.20 is: 567,895,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,445,436.80 : 826,034,414.40 = 379,116,835.20 : x
  2. Step 2: Convert to fraction form
    551,445,436.80/826,034,414.40 = 379,116,835.20/x
  3. Step 3: Cross multiply
    551,445,436.80x = 826,034,414.40 × 379,116,835.20
  4. Step 4: Simplify right side
    551,445,436.80x = 313,163,552,953,613,312
  5. Step 5: Solve for x
    x = 313,163,552,953,613,312/551,445,436.80
  6. Step 6: Final answer
    x = 567,895,809.91

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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.