Home / 18,205,743,388.23-27,308,314,641.68-5,442,847,434.68

Finding the Fourth Proportional to 18,205,743,388.23, 27,308,314,641.68 and 5,442,847,434.68

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Solution

The fourth proportional to 18,205,743,388.23, 27,308,314,641.68 and 5,442,847,434.68 is: 8,164,181,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,743,388.23 : 27,308,314,641.68 = 5,442,847,434.68 : x
  2. Step 2: Convert to fraction form
    18,205,743,388.23/27,308,314,641.68 = 5,442,847,434.68/x
  3. Step 3: Cross multiply
    18,205,743,388.23x = 27,308,314,641.68 × 5,442,847,434.68
  4. Step 4: Simplify right side
    18,205,743,388.23x = 148,634,990,292,765,736,960
  5. Step 5: Solve for x
    x = 148,634,990,292,765,736,960/18,205,743,388.23
  6. Step 6: Final answer
    x = 8,164,181,331.31

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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.