Home / 1,642,514,360.03-2,266,657,287.87-889,822,151.02

Finding the Fourth Proportional to 1,642,514,360.03, 2,266,657,287.87 and 889,822,151.02

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Solution

The fourth proportional to 1,642,514,360.03, 2,266,657,287.87 and 889,822,151.02 is: 1,227,947,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,514,360.03 : 2,266,657,287.87 = 889,822,151.02 : x
  2. Step 2: Convert to fraction form
    1,642,514,360.03/2,266,657,287.87 = 889,822,151.02/x
  3. Step 3: Cross multiply
    1,642,514,360.03x = 2,266,657,287.87 × 889,822,151.02
  4. Step 4: Simplify right side
    1,642,514,360.03x = 2,016,921,863,517,642,496
  5. Step 5: Solve for x
    x = 2,016,921,863,517,642,496/1,642,514,360.03
  6. Step 6: Final answer
    x = 1,227,947,780.91

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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.