Home / 316,462,885.70-474,694,328.55-213,150,755.30

Finding the Fourth Proportional to 316,462,885.70, 474,694,328.55 and 213,150,755.30

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Solution

The fourth proportional to 316,462,885.70, 474,694,328.55 and 213,150,755.30 is: 319,726,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,462,885.70 : 474,694,328.55 = 213,150,755.30 : x
  2. Step 2: Convert to fraction form
    316,462,885.70/474,694,328.55 = 213,150,755.30/x
  3. Step 3: Cross multiply
    316,462,885.70x = 474,694,328.55 × 213,150,755.30
  4. Step 4: Simplify right side
    316,462,885.70x = 101,181,454,667,058,864
  5. Step 5: Solve for x
    x = 101,181,454,667,058,864/316,462,885.70
  6. Step 6: Final answer
    x = 319,726,132.95

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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.