Home / 516,016,962.38-773,739,908.85-204,809,311.82

Finding the Fourth Proportional to 516,016,962.38, 773,739,908.85 and 204,809,311.82

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Solution

The fourth proportional to 516,016,962.38, 773,739,908.85 and 204,809,311.82 is: 307,100,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,016,962.38 : 773,739,908.85 = 204,809,311.82 : x
  2. Step 2: Convert to fraction form
    516,016,962.38/773,739,908.85 = 204,809,311.82/x
  3. Step 3: Cross multiply
    516,016,962.38x = 773,739,908.85 × 204,809,311.82
  4. Step 4: Simplify right side
    516,016,962.38x = 158,469,138,261,938,368
  5. Step 5: Solve for x
    x = 158,469,138,261,938,368/516,016,962.38
  6. Step 6: Final answer
    x = 307,100,637.80

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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.