Home / 551,415,687.55-827,123,531.33-547,589,312.35

Finding the Fourth Proportional to 551,415,687.55, 827,123,531.33 and 547,589,312.35

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Solution

The fourth proportional to 551,415,687.55, 827,123,531.33 and 547,589,312.35 is: 821,383,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,415,687.55 : 827,123,531.33 = 547,589,312.35 : x
  2. Step 2: Convert to fraction form
    551,415,687.55/827,123,531.33 = 547,589,312.35/x
  3. Step 3: Cross multiply
    551,415,687.55x = 827,123,531.33 × 547,589,312.35
  4. Step 4: Simplify right side
    551,415,687.55x = 452,924,005,749,498,432
  5. Step 5: Solve for x
    x = 452,924,005,749,498,432/551,415,687.55
  6. Step 6: Final answer
    x = 821,383,968.53

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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.