Home / 449,326,125.80-673,989,188.70-255,162,516.20

Finding the Fourth Proportional to 449,326,125.80, 673,989,188.70 and 255,162,516.20

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Solution

The fourth proportional to 449,326,125.80, 673,989,188.70 and 255,162,516.20 is: 382,743,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,326,125.80 : 673,989,188.70 = 255,162,516.20 : x
  2. Step 2: Convert to fraction form
    449,326,125.80/673,989,188.70 = 255,162,516.20/x
  3. Step 3: Cross multiply
    449,326,125.80x = 673,989,188.70 × 255,162,516.20
  4. Step 4: Simplify right side
    449,326,125.80x = 171,976,777,280,288,608
  5. Step 5: Solve for x
    x = 171,976,777,280,288,608/449,326,125.80
  6. Step 6: Final answer
    x = 382,743,774.30

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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.