Home / 442,929,643.20-664,195,399.20-170,209,771.20

Finding the Fourth Proportional to 442,929,643.20, 664,195,399.20 and 170,209,771.20

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Solution

The fourth proportional to 442,929,643.20, 664,195,399.20 and 170,209,771.20 is: 255,238,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,929,643.20 : 664,195,399.20 = 170,209,771.20 : x
  2. Step 2: Convert to fraction form
    442,929,643.20/664,195,399.20 = 170,209,771.20/x
  3. Step 3: Cross multiply
    442,929,643.20x = 664,195,399.20 × 170,209,771.20
  4. Step 4: Simplify right side
    442,929,643.20x = 113,052,546,929,924,656
  5. Step 5: Solve for x
    x = 113,052,546,929,924,656/442,929,643.20
  6. Step 6: Final answer
    x = 255,238,159.53

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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.