Home / 376,474,321.82-519,547,165.41-209,217,632.61

Finding the Fourth Proportional to 376,474,321.82, 519,547,165.41 and 209,217,632.61

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Solution

The fourth proportional to 376,474,321.82, 519,547,165.41 and 209,217,632.61 is: 288,727,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,474,321.82 : 519,547,165.41 = 209,217,632.61 : x
  2. Step 2: Convert to fraction form
    376,474,321.82/519,547,165.41 = 209,217,632.61/x
  3. Step 3: Cross multiply
    376,474,321.82x = 519,547,165.41 × 209,217,632.61
  4. Step 4: Simplify right side
    376,474,321.82x = 108,698,427,976,316,288
  5. Step 5: Solve for x
    x = 108,698,427,976,316,288/376,474,321.82
  6. Step 6: Final answer
    x = 288,727,335.91

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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.