Home / 327,118,700.20-490,261,256.70-173,838,188.20

Finding the Fourth Proportional to 327,118,700.20, 490,261,256.70 and 173,838,188.20

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Solution

The fourth proportional to 327,118,700.20, 490,261,256.70 and 173,838,188.20 is: 260,535,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,118,700.20 : 490,261,256.70 = 173,838,188.20 : x
  2. Step 2: Convert to fraction form
    327,118,700.20/490,261,256.70 = 173,838,188.20/x
  3. Step 3: Cross multiply
    327,118,700.20x = 490,261,256.70 × 173,838,188.20
  4. Step 4: Simplify right side
    327,118,700.20x = 85,226,128,609,383,104
  5. Step 5: Solve for x
    x = 85,226,128,609,383,104/327,118,700.20
  6. Step 6: Final answer
    x = 260,535,788.87

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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.