Home / 848,332,837.62-1,272,486,471.39-381,664,699.38

Finding the Fourth Proportional to 848,332,837.62, 1,272,486,471.39 and 381,664,699.38

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Solution

The fourth proportional to 848,332,837.62, 1,272,486,471.39 and 381,664,699.38 is: 572,491,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,332,837.62 : 1,272,486,471.39 = 381,664,699.38 : x
  2. Step 2: Convert to fraction form
    848,332,837.62/1,272,486,471.39 = 381,664,699.38/x
  3. Step 3: Cross multiply
    848,332,837.62x = 1,272,486,471.39 × 381,664,699.38
  4. Step 4: Simplify right side
    848,332,837.62x = 485,663,166,568,181,376
  5. Step 5: Solve for x
    x = 485,663,166,568,181,376/848,332,837.62
  6. Step 6: Final answer
    x = 572,491,297.08

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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.