Home / 699,542,882.60-1,049,541,355.74-208,260,401.72

Finding the Fourth Proportional to 699,542,882.60, 1,049,541,355.74 and 208,260,401.72

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Solution

The fourth proportional to 699,542,882.60, 1,049,541,355.74 and 208,260,401.72 is: 312,458,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,542,882.60 : 1,049,541,355.74 = 208,260,401.72 : x
  2. Step 2: Convert to fraction form
    699,542,882.60/1,049,541,355.74 = 208,260,401.72/x
  3. Step 3: Cross multiply
    699,542,882.60x = 1,049,541,355.74 × 208,260,401.72
  4. Step 4: Simplify right side
    699,542,882.60x = 218,577,904,368,165,824
  5. Step 5: Solve for x
    x = 218,577,904,368,165,824/699,542,882.60
  6. Step 6: Final answer
    x = 312,458,192.06

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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.