Home / 1,642,267,738.32-2,266,310,714.40-889,566,723.60

Finding the Fourth Proportional to 1,642,267,738.32, 2,266,310,714.40 and 889,566,723.60

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Solution

The fourth proportional to 1,642,267,738.32, 2,266,310,714.40 and 889,566,723.60 is: 1,227,591,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,267,738.32 : 2,266,310,714.40 = 889,566,723.60 : x
  2. Step 2: Convert to fraction form
    1,642,267,738.32/2,266,310,714.40 = 889,566,723.60/x
  3. Step 3: Cross multiply
    1,642,267,738.32x = 2,266,310,714.40 × 889,566,723.60
  4. Step 4: Simplify right side
    1,642,267,738.32x = 2,016,034,596,868,383,488
  5. Step 5: Solve for x
    x = 2,016,034,596,868,383,488/1,642,267,738.32
  6. Step 6: Final answer
    x = 1,227,591,914.42

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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.