Home / 808,338,147.62-1,115,500,146.20-469,278,084.31

Finding the Fourth Proportional to 808,338,147.62, 1,115,500,146.20 and 469,278,084.31

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Solution

The fourth proportional to 808,338,147.62, 1,115,500,146.20 and 469,278,084.31 is: 647,599,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,338,147.62 : 1,115,500,146.20 = 469,278,084.31 : x
  2. Step 2: Convert to fraction form
    808,338,147.62/1,115,500,146.20 = 469,278,084.31/x
  3. Step 3: Cross multiply
    808,338,147.62x = 1,115,500,146.20 × 469,278,084.31
  4. Step 4: Simplify right side
    808,338,147.62x = 523,479,771,648,337,024
  5. Step 5: Solve for x
    x = 523,479,771,648,337,024/808,338,147.62
  6. Step 6: Final answer
    x = 647,599,984.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.