Home / 18,205,743,387.73-27,308,314,640.93-5,442,847,434.18

Finding the Fourth Proportional to 18,205,743,387.73, 27,308,314,640.93 and 5,442,847,434.18

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Solution

The fourth proportional to 18,205,743,387.73, 27,308,314,640.93 and 5,442,847,434.18 is: 8,164,181,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,743,387.73 : 27,308,314,640.93 = 5,442,847,434.18 : x
  2. Step 2: Convert to fraction form
    18,205,743,387.73/27,308,314,640.93 = 5,442,847,434.18/x
  3. Step 3: Cross multiply
    18,205,743,387.73x = 27,308,314,640.93 × 5,442,847,434.18
  4. Step 4: Simplify right side
    18,205,743,387.73x = 148,634,990,275,034,939,392
  5. Step 5: Solve for x
    x = 148,634,990,275,034,939,392/18,205,743,387.73
  6. Step 6: Final answer
    x = 8,164,181,330.56

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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.