Home / 868,245,850.42-1,301,636,616.32-376,588,818.92

Finding the Fourth Proportional to 868,245,850.42, 1,301,636,616.32 and 376,588,818.92

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Solution

The fourth proportional to 868,245,850.42, 1,301,636,616.32 and 376,588,818.92 is: 564,565,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,245,850.42 : 1,301,636,616.32 = 376,588,818.92 : x
  2. Step 2: Convert to fraction form
    868,245,850.42/1,301,636,616.32 = 376,588,818.92/x
  3. Step 3: Cross multiply
    868,245,850.42x = 1,301,636,616.32 × 376,588,818.92
  4. Step 4: Simplify right side
    868,245,850.42x = 490,181,796,002,974,016
  5. Step 5: Solve for x
    x = 490,181,796,002,974,016/868,245,850.42
  6. Step 6: Final answer
    x = 564,565,665.09

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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.