Home / 442,637,987.20-664,382,133.60-224,534,600.80

Finding the Fourth Proportional to 442,637,987.20, 664,382,133.60 and 224,534,600.80

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Solution

The fourth proportional to 442,637,987.20, 664,382,133.60 and 224,534,600.80 is: 337,017,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,637,987.20 : 664,382,133.60 = 224,534,600.80 : x
  2. Step 2: Convert to fraction form
    442,637,987.20/664,382,133.60 = 224,534,600.80/x
  3. Step 3: Cross multiply
    442,637,987.20x = 664,382,133.60 × 224,534,600.80
  4. Step 4: Simplify right side
    442,637,987.20x = 149,176,777,146,528,288
  5. Step 5: Solve for x
    x = 149,176,777,146,528,288/442,637,987.20
  6. Step 6: Final answer
    x = 337,017,566.18

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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.