Home / 419,861,559.56-579,524,195.92-243,706,306.64

Finding the Fourth Proportional to 419,861,559.56, 579,524,195.92 and 243,706,306.64

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Solution

The fourth proportional to 419,861,559.56, 579,524,195.92 and 243,706,306.64 is: 336,381,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,861,559.56 : 579,524,195.92 = 243,706,306.64 : x
  2. Step 2: Convert to fraction form
    419,861,559.56/579,524,195.92 = 243,706,306.64/x
  3. Step 3: Cross multiply
    419,861,559.56x = 579,524,195.92 × 243,706,306.64
  4. Step 4: Simplify right side
    419,861,559.56x = 141,233,701,396,178,944
  5. Step 5: Solve for x
    x = 141,233,701,396,178,944/419,861,559.56
  6. Step 6: Final answer
    x = 336,381,595.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.