Home / 826,028,189.06-1,238,678,689.14-437,760,051.66

Finding the Fourth Proportional to 826,028,189.06, 1,238,678,689.14 and 437,760,051.66

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Solution

The fourth proportional to 826,028,189.06, 1,238,678,689.14 and 437,760,051.66 is: 656,447,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,028,189.06 : 1,238,678,689.14 = 437,760,051.66 : x
  2. Step 2: Convert to fraction form
    826,028,189.06/1,238,678,689.14 = 437,760,051.66/x
  3. Step 3: Cross multiply
    826,028,189.06x = 1,238,678,689.14 × 437,760,051.66
  4. Step 4: Simplify right side
    826,028,189.06x = 542,244,046,948,067,584
  5. Step 5: Solve for x
    x = 542,244,046,948,067,584/826,028,189.06
  6. Step 6: Final answer
    x = 656,447,387.79

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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.