Home / 551,137,112.80-826,705,669.20-495,016,943.20

Finding the Fourth Proportional to 551,137,112.80, 826,705,669.20 and 495,016,943.20

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Solution

The fourth proportional to 551,137,112.80, 826,705,669.20 and 495,016,943.20 is: 742,525,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,137,112.80 : 826,705,669.20 = 495,016,943.20 : x
  2. Step 2: Convert to fraction form
    551,137,112.80/826,705,669.20 = 495,016,943.20/x
  3. Step 3: Cross multiply
    551,137,112.80x = 826,705,669.20 × 495,016,943.20
  4. Step 4: Simplify right side
    551,137,112.80x = 409,233,313,293,494,400
  5. Step 5: Solve for x
    x = 409,233,313,293,494,400/551,137,112.80
  6. Step 6: Final answer
    x = 742,525,414.80

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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.