Home / 603,612,007.20-905,418,010.80-501,575,335.20

Finding the Fourth Proportional to 603,612,007.20, 905,418,010.80 and 501,575,335.20

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Solution

The fourth proportional to 603,612,007.20, 905,418,010.80 and 501,575,335.20 is: 752,363,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,612,007.20 : 905,418,010.80 = 501,575,335.20 : x
  2. Step 2: Convert to fraction form
    603,612,007.20/905,418,010.80 = 501,575,335.20/x
  3. Step 3: Cross multiply
    603,612,007.20x = 905,418,010.80 × 501,575,335.20
  4. Step 4: Simplify right side
    603,612,007.20x = 454,135,342,263,127,168
  5. Step 5: Solve for x
    x = 454,135,342,263,127,168/603,612,007.20
  6. Step 6: Final answer
    x = 752,363,002.80

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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.