Home / 541,317,507.12-746,932,832.66-315,293,689.20

Finding the Fourth Proportional to 541,317,507.12, 746,932,832.66 and 315,293,689.20

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Solution

The fourth proportional to 541,317,507.12, 746,932,832.66 and 315,293,689.20 is: 435,055,591.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,317,507.12 : 746,932,832.66 = 315,293,689.20 : x
  2. Step 2: Convert to fraction form
    541,317,507.12/746,932,832.66 = 315,293,689.20/x
  3. Step 3: Cross multiply
    541,317,507.12x = 746,932,832.66 × 315,293,689.20
  4. Step 4: Simplify right side
    541,317,507.12x = 235,503,208,392,401,152
  5. Step 5: Solve for x
    x = 235,503,208,392,401,152/541,317,507.12
  6. Step 6: Final answer
    x = 435,055,591.76

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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.