Home / 347,458,754.89-479,491,227.06-188,687,490.02

Finding the Fourth Proportional to 347,458,754.89, 479,491,227.06 and 188,687,490.02

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Solution

The fourth proportional to 347,458,754.89, 479,491,227.06 and 188,687,490.02 is: 260,387,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,458,754.89 : 479,491,227.06 = 188,687,490.02 : x
  2. Step 2: Convert to fraction form
    347,458,754.89/479,491,227.06 = 188,687,490.02/x
  3. Step 3: Cross multiply
    347,458,754.89x = 479,491,227.06 × 188,687,490.02
  4. Step 4: Simplify right side
    347,458,754.89x = 90,473,996,118,163,840
  5. Step 5: Solve for x
    x = 90,473,996,118,163,840/347,458,754.89
  6. Step 6: Final answer
    x = 260,387,729.04

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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.