Home / 800,912,580,189.72-1,105,354,113,285.20-475,753,156,668.88

Finding the Fourth Proportional to 800,912,580,189.72, 1,105,354,113,285.20 and 475,753,156,668.88

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Solution

The fourth proportional to 800,912,580,189.72, 1,105,354,113,285.20 and 475,753,156,668.88 is: 656,595,640,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,912,580,189.72 : 1,105,354,113,285.20 = 475,753,156,668.88 : x
  2. Step 2: Convert to fraction form
    800,912,580,189.72/1,105,354,113,285.20 = 475,753,156,668.88/x
  3. Step 3: Cross multiply
    800,912,580,189.72x = 1,105,354,113,285.20 × 475,753,156,668.88
  4. Step 4: Simplify right side
    800,912,580,189.72x = 525,875,708,632,364,646,137,856
  5. Step 5: Solve for x
    x = 525,875,708,632,364,646,137,856/800,912,580,189.72
  6. Step 6: Final answer
    x = 656,595,640,572.65

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Double scale
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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.