Home / 1,642,267,740.82-2,266,310,717.85-889,566,726.10

Finding the Fourth Proportional to 1,642,267,740.82, 2,266,310,717.85 and 889,566,726.10

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Solution

The fourth proportional to 1,642,267,740.82, 2,266,310,717.85 and 889,566,726.10 is: 1,227,591,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,267,740.82 : 2,266,310,717.85 = 889,566,726.10 : x
  2. Step 2: Convert to fraction form
    1,642,267,740.82/2,266,310,717.85 = 889,566,726.10/x
  3. Step 3: Cross multiply
    1,642,267,740.82x = 2,266,310,717.85 × 889,566,726.10
  4. Step 4: Simplify right side
    1,642,267,740.82x = 2,016,034,605,603,165,184
  5. Step 5: Solve for x
    x = 2,016,034,605,603,165,184/1,642,267,740.82
  6. Step 6: Final answer
    x = 1,227,591,917.87

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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.