Home / 447,279,724.89-670,894,352.97-198,213,246.90

Finding the Fourth Proportional to 447,279,724.89, 670,894,352.97 and 198,213,246.90

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Solution

The fourth proportional to 447,279,724.89, 670,894,352.97 and 198,213,246.90 is: 297,308,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,279,724.89 : 670,894,352.97 = 198,213,246.90 : x
  2. Step 2: Convert to fraction form
    447,279,724.89/670,894,352.97 = 198,213,246.90/x
  3. Step 3: Cross multiply
    447,279,724.89x = 670,894,352.97 × 198,213,246.90
  4. Step 4: Simplify right side
    447,279,724.89x = 132,980,148,029,058,368
  5. Step 5: Solve for x
    x = 132,980,148,029,058,368/447,279,724.89
  6. Step 6: Final answer
    x = 297,308,687.67

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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.