Home / 398,650,820.80-597,976,231.20-183,659,972.80

Finding the Fourth Proportional to 398,650,820.80, 597,976,231.20 and 183,659,972.80

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Solution

The fourth proportional to 398,650,820.80, 597,976,231.20 and 183,659,972.80 is: 275,489,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,650,820.80 : 597,976,231.20 = 183,659,972.80 : x
  2. Step 2: Convert to fraction form
    398,650,820.80/597,976,231.20 = 183,659,972.80/x
  3. Step 3: Cross multiply
    398,650,820.80x = 597,976,231.20 × 183,659,972.80
  4. Step 4: Simplify right side
    398,650,820.80x = 109,824,298,357,238,528
  5. Step 5: Solve for x
    x = 109,824,298,357,238,528/398,650,820.80
  6. Step 6: Final answer
    x = 275,489,959.20

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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.