Home / 635,526,189.77-953,287,874.17-169,187,728.01

Finding the Fourth Proportional to 635,526,189.77, 953,287,874.17 and 169,187,728.01

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Solution

The fourth proportional to 635,526,189.77, 953,287,874.17 and 169,187,728.01 is: 253,781,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,526,189.77 : 953,287,874.17 = 169,187,728.01 : x
  2. Step 2: Convert to fraction form
    635,526,189.77/953,287,874.17 = 169,187,728.01/x
  3. Step 3: Cross multiply
    635,526,189.77x = 953,287,874.17 × 169,187,728.01
  4. Step 4: Simplify right side
    635,526,189.77x = 161,284,609,565,115,648
  5. Step 5: Solve for x
    x = 161,284,609,565,115,648/635,526,189.77
  6. Step 6: Final answer
    x = 253,781,216.51

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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.