Home / 555,124,126.92-766,071,300.24-307,605,481.08

Finding the Fourth Proportional to 555,124,126.92, 766,071,300.24 and 307,605,481.08

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Solution

The fourth proportional to 555,124,126.92, 766,071,300.24 and 307,605,481.08 is: 424,495,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,124,126.92 : 766,071,300.24 = 307,605,481.08 : x
  2. Step 2: Convert to fraction form
    555,124,126.92/766,071,300.24 = 307,605,481.08/x
  3. Step 3: Cross multiply
    555,124,126.92x = 766,071,300.24 × 307,605,481.08
  4. Step 4: Simplify right side
    555,124,126.92x = 235,647,730,851,906,304
  5. Step 5: Solve for x
    x = 235,647,730,851,906,304/555,124,126.92
  6. Step 6: Final answer
    x = 424,495,566.71

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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.