Home / 413,912,585.12-571,199,934.24-225,741,333.65

Finding the Fourth Proportional to 413,912,585.12, 571,199,934.24 and 225,741,333.65

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Solution

The fourth proportional to 413,912,585.12, 571,199,934.24 and 225,741,333.65 is: 311,523,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,912,585.12 : 571,199,934.24 = 225,741,333.65 : x
  2. Step 2: Convert to fraction form
    413,912,585.12/571,199,934.24 = 225,741,333.65/x
  3. Step 3: Cross multiply
    413,912,585.12x = 571,199,934.24 × 225,741,333.65
  4. Step 4: Simplify right side
    413,912,585.12x = 128,943,434,933,273,904
  5. Step 5: Solve for x
    x = 128,943,434,933,273,904/413,912,585.12
  6. Step 6: Final answer
    x = 311,523,349.54

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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.