Home / 374,749,067.30-516,229,666.56-318,815,344.31

Finding the Fourth Proportional to 374,749,067.30, 516,229,666.56 and 318,815,344.31

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Solution

The fourth proportional to 374,749,067.30, 516,229,666.56 and 318,815,344.31 is: 439,179,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,749,067.30 : 516,229,666.56 = 318,815,344.31 : x
  2. Step 2: Convert to fraction form
    374,749,067.30/516,229,666.56 = 318,815,344.31/x
  3. Step 3: Cross multiply
    374,749,067.30x = 516,229,666.56 × 318,815,344.31
  4. Step 4: Simplify right side
    374,749,067.30x = 164,581,938,884,781,760
  5. Step 5: Solve for x
    x = 164,581,938,884,781,760/374,749,067.30
  6. Step 6: Final answer
    x = 439,179,048.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.