Home / 664,607,295.10-996,910,942.65-320,233,527.10

Finding the Fourth Proportional to 664,607,295.10, 996,910,942.65 and 320,233,527.10

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Solution

The fourth proportional to 664,607,295.10, 996,910,942.65 and 320,233,527.10 is: 480,350,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,607,295.10 : 996,910,942.65 = 320,233,527.10 : x
  2. Step 2: Convert to fraction form
    664,607,295.10/996,910,942.65 = 320,233,527.10/x
  3. Step 3: Cross multiply
    664,607,295.10x = 996,910,942.65 × 320,233,527.10
  4. Step 4: Simplify right side
    664,607,295.10x = 319,244,307,369,395,328
  5. Step 5: Solve for x
    x = 319,244,307,369,395,328/664,607,295.10
  6. Step 6: Final answer
    x = 480,350,290.65

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Double scale
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Similar ratio
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1.5x scale

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.