Home / 523,929,110.40-785,895,998.40-135,724,363.20

Finding the Fourth Proportional to 523,929,110.40, 785,895,998.40 and 135,724,363.20

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Solution

The fourth proportional to 523,929,110.40, 785,895,998.40 and 135,724,363.20 is: 203,587,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,929,110.40 : 785,895,998.40 = 135,724,363.20 : x
  2. Step 2: Convert to fraction form
    523,929,110.40/785,895,998.40 = 135,724,363.20/x
  3. Step 3: Cross multiply
    523,929,110.40x = 785,895,998.40 × 135,724,363.20
  4. Step 4: Simplify right side
    523,929,110.40x = 106,665,233,924,268,208
  5. Step 5: Solve for x
    x = 106,665,233,924,268,208/523,929,110.40
  6. Step 6: Final answer
    x = 203,587,149.11

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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.