Home / 541,693,752,778.80-812,540,629,168.20-164,384,938,541.70

Finding the Fourth Proportional to 541,693,752,778.80, 812,540,629,168.20 and 164,384,938,541.70

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Solution

The fourth proportional to 541,693,752,778.80, 812,540,629,168.20 and 164,384,938,541.70 is: 246,577,407,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,693,752,778.80 : 812,540,629,168.20 = 164,384,938,541.70 : x
  2. Step 2: Convert to fraction form
    541,693,752,778.80/812,540,629,168.20 = 164,384,938,541.70/x
  3. Step 3: Cross multiply
    541,693,752,778.80x = 812,540,629,168.20 × 164,384,938,541.70
  4. Step 4: Simplify right side
    541,693,752,778.80x = 133,569,441,388,448,815,513,600
  5. Step 5: Solve for x
    x = 133,569,441,388,448,815,513,600/541,693,752,778.80
  6. Step 6: Final answer
    x = 246,577,407,812.55

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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.