Home / 699,542,881.60-1,049,541,354.24-208,260,400.72

Finding the Fourth Proportional to 699,542,881.60, 1,049,541,354.24 and 208,260,400.72

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Solution

The fourth proportional to 699,542,881.60, 1,049,541,354.24 and 208,260,400.72 is: 312,458,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,542,881.60 : 1,049,541,354.24 = 208,260,400.72 : x
  2. Step 2: Convert to fraction form
    699,542,881.60/1,049,541,354.24 = 208,260,400.72/x
  3. Step 3: Cross multiply
    699,542,881.60x = 1,049,541,354.24 × 208,260,400.72
  4. Step 4: Simplify right side
    699,542,881.60x = 218,577,903,006,233,856
  5. Step 5: Solve for x
    x = 218,577,903,006,233,856/699,542,881.60
  6. Step 6: Final answer
    x = 312,458,190.56

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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.