Home / 382,752,001.80-574,128,002.70-218,821,480.20

Finding the Fourth Proportional to 382,752,001.80, 574,128,002.70 and 218,821,480.20

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Solution

The fourth proportional to 382,752,001.80, 574,128,002.70 and 218,821,480.20 is: 328,232,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,752,001.80 : 574,128,002.70 = 218,821,480.20 : x
  2. Step 2: Convert to fraction form
    382,752,001.80/574,128,002.70 = 218,821,480.20/x
  3. Step 3: Cross multiply
    382,752,001.80x = 574,128,002.70 × 218,821,480.20
  4. Step 4: Simplify right side
    382,752,001.80x = 125,631,539,375,083,600
  5. Step 5: Solve for x
    x = 125,631,539,375,083,600/382,752,001.80
  6. Step 6: Final answer
    x = 328,232,220.30

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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.