Home / 852,308,936.20-1,278,463,404.30-576,809,921.80

Finding the Fourth Proportional to 852,308,936.20, 1,278,463,404.30 and 576,809,921.80

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Solution

The fourth proportional to 852,308,936.20, 1,278,463,404.30 and 576,809,921.80 is: 865,214,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,308,936.20 : 1,278,463,404.30 = 576,809,921.80 : x
  2. Step 2: Convert to fraction form
    852,308,936.20/1,278,463,404.30 = 576,809,921.80/x
  3. Step 3: Cross multiply
    852,308,936.20x = 1,278,463,404.30 × 576,809,921.80
  4. Step 4: Simplify right side
    852,308,936.20x = 737,430,376,258,444,672
  5. Step 5: Solve for x
    x = 737,430,376,258,444,672/852,308,936.20
  6. Step 6: Final answer
    x = 865,214,882.70

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Double scale
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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.