Home / 551,415,621.80-827,123,432.70-547,589,246.60

Finding the Fourth Proportional to 551,415,621.80, 827,123,432.70 and 547,589,246.60

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Solution

The fourth proportional to 551,415,621.80, 827,123,432.70 and 547,589,246.60 is: 821,383,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,415,621.80 : 827,123,432.70 = 547,589,246.60 : x
  2. Step 2: Convert to fraction form
    551,415,621.80/827,123,432.70 = 547,589,246.60/x
  3. Step 3: Cross multiply
    551,415,621.80x = 827,123,432.70 × 547,589,246.60
  4. Step 4: Simplify right side
    551,415,621.80x = 452,923,897,357,398,848
  5. Step 5: Solve for x
    x = 452,923,897,357,398,848/551,415,621.80
  6. Step 6: Final answer
    x = 821,383,869.90

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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.