Home / 398,632,104.20-598,032,137.10-168,482,721.80

Finding the Fourth Proportional to 398,632,104.20, 598,032,137.10 and 168,482,721.80

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Solution

The fourth proportional to 398,632,104.20, 598,032,137.10 and 168,482,721.80 is: 252,759,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,632,104.20 : 598,032,137.10 = 168,482,721.80 : x
  2. Step 2: Convert to fraction form
    398,632,104.20/598,032,137.10 = 168,482,721.80/x
  3. Step 3: Cross multiply
    398,632,104.20x = 598,032,137.10 × 168,482,721.80
  4. Step 4: Simplify right side
    398,632,104.20x = 100,758,082,182,478,768
  5. Step 5: Solve for x
    x = 100,758,082,182,478,768/398,632,104.20
  6. Step 6: Final answer
    x = 252,759,577.37

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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.