Home / 485,580,007.20-728,370,010.80-337,626,832.80

Finding the Fourth Proportional to 485,580,007.20, 728,370,010.80 and 337,626,832.80

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Solution

The fourth proportional to 485,580,007.20, 728,370,010.80 and 337,626,832.80 is: 506,440,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,580,007.20 : 728,370,010.80 = 337,626,832.80 : x
  2. Step 2: Convert to fraction form
    485,580,007.20/728,370,010.80 = 337,626,832.80/x
  3. Step 3: Cross multiply
    485,580,007.20x = 728,370,010.80 × 337,626,832.80
  4. Step 4: Simplify right side
    485,580,007.20x = 245,917,259,852,905,792
  5. Step 5: Solve for x
    x = 245,917,259,852,905,792/485,580,007.20
  6. Step 6: Final answer
    x = 506,440,249.20

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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.