Home / 663,977,674.72-995,792,672.76-197,513,417.84

Finding the Fourth Proportional to 663,977,674.72, 995,792,672.76 and 197,513,417.84

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Solution

The fourth proportional to 663,977,674.72, 995,792,672.76 and 197,513,417.84 is: 296,218,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,977,674.72 : 995,792,672.76 = 197,513,417.84 : x
  2. Step 2: Convert to fraction form
    663,977,674.72/995,792,672.76 = 197,513,417.84/x
  3. Step 3: Cross multiply
    663,977,674.72x = 995,792,672.76 × 197,513,417.84
  4. Step 4: Simplify right side
    663,977,674.72x = 196,682,414,256,856,256
  5. Step 5: Solve for x
    x = 196,682,414,256,856,256/663,977,674.72
  6. Step 6: Final answer
    x = 296,218,414.78

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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.