Home / 486,057,726.20-729,088,480.85-117,592,087.25

Finding the Fourth Proportional to 486,057,726.20, 729,088,480.85 and 117,592,087.25

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Solution

The fourth proportional to 486,057,726.20, 729,088,480.85 and 117,592,087.25 is: 176,388,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,057,726.20 : 729,088,480.85 = 117,592,087.25 : x
  2. Step 2: Convert to fraction form
    486,057,726.20/729,088,480.85 = 117,592,087.25/x
  3. Step 3: Cross multiply
    486,057,726.20x = 729,088,480.85 × 117,592,087.25
  4. Step 4: Simplify right side
    486,057,726.20x = 85,735,036,254,317,920
  5. Step 5: Solve for x
    x = 85,735,036,254,317,920/486,057,726.20
  6. Step 6: Final answer
    x = 176,388,588.50

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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.