Home / 382,752,004.80-574,128,007.20-218,821,483.20

Finding the Fourth Proportional to 382,752,004.80, 574,128,007.20 and 218,821,483.20

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Solution

The fourth proportional to 382,752,004.80, 574,128,007.20 and 218,821,483.20 is: 328,232,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,752,004.80 : 574,128,007.20 = 218,821,483.20 : x
  2. Step 2: Convert to fraction form
    382,752,004.80/574,128,007.20 = 218,821,483.20/x
  3. Step 3: Cross multiply
    382,752,004.80x = 574,128,007.20 × 218,821,483.20
  4. Step 4: Simplify right side
    382,752,004.80x = 125,631,542,082,164,288
  5. Step 5: Solve for x
    x = 125,631,542,082,164,288/382,752,004.80
  6. Step 6: Final answer
    x = 328,232,224.80

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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.