Home / 575,202,123.91-862,839,507.48-243,147,215.80

Finding the Fourth Proportional to 575,202,123.91, 862,839,507.48 and 243,147,215.80

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Solution

The fourth proportional to 575,202,123.91, 862,839,507.48 and 243,147,215.80 is: 364,736,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,202,123.91 : 862,839,507.48 = 243,147,215.80 : x
  2. Step 2: Convert to fraction form
    575,202,123.91/862,839,507.48 = 243,147,215.80/x
  3. Step 3: Cross multiply
    575,202,123.91x = 862,839,507.48 × 243,147,215.80
  4. Step 4: Simplify right side
    575,202,123.91x = 209,797,023,926,005,280
  5. Step 5: Solve for x
    x = 209,797,023,926,005,280/575,202,123.91
  6. Step 6: Final answer
    x = 364,736,177.43

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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.