Home / 481,215,215.09-664,059,814.71-272,366,873.72

Finding the Fourth Proportional to 481,215,215.09, 664,059,814.71 and 272,366,873.72

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Solution

The fourth proportional to 481,215,215.09, 664,059,814.71 and 272,366,873.72 is: 375,856,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215,215.09 : 664,059,814.71 = 272,366,873.72 : x
  2. Step 2: Convert to fraction form
    481,215,215.09/664,059,814.71 = 272,366,873.72/x
  3. Step 3: Cross multiply
    481,215,215.09x = 664,059,814.71 × 272,366,873.72
  4. Step 4: Simplify right side
    481,215,215.09x = 180,867,895,695,645,184
  5. Step 5: Solve for x
    x = 180,867,895,695,645,184/481,215,215.09
  6. Step 6: Final answer
    x = 375,856,560.69

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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.