Home / 298,126,110.57-411,427,610.90-165,975,500.39

Finding the Fourth Proportional to 298,126,110.57, 411,427,610.90 and 165,975,500.39

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Solution

The fourth proportional to 298,126,110.57, 411,427,610.90 and 165,975,500.39 is: 229,053,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,126,110.57 : 411,427,610.90 = 165,975,500.39 : x
  2. Step 2: Convert to fraction form
    298,126,110.57/411,427,610.90 = 165,975,500.39/x
  3. Step 3: Cross multiply
    298,126,110.57x = 411,427,610.90 × 165,975,500.39
  4. Step 4: Simplify right side
    298,126,110.57x = 68,286,903,591,747,512
  5. Step 5: Solve for x
    x = 68,286,903,591,747,512/298,126,110.57
  6. Step 6: Final answer
    x = 229,053,749.98

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1.5x scale

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.