Home / 575,425,860.80-863,138,791.20-329,530,078.40

Finding the Fourth Proportional to 575,425,860.80, 863,138,791.20 and 329,530,078.40

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Solution

The fourth proportional to 575,425,860.80, 863,138,791.20 and 329,530,078.40 is: 494,295,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,425,860.80 : 863,138,791.20 = 329,530,078.40 : x
  2. Step 2: Convert to fraction form
    575,425,860.80/863,138,791.20 = 329,530,078.40/x
  3. Step 3: Cross multiply
    575,425,860.80x = 863,138,791.20 × 329,530,078.40
  4. Step 4: Simplify right side
    575,425,860.80x = 284,430,193,534,217,216
  5. Step 5: Solve for x
    x = 284,430,193,534,217,216/575,425,860.80
  6. Step 6: Final answer
    x = 494,295,117.60

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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.