Home / 327,118,719.20-490,261,285.20-173,838,207.20

Finding the Fourth Proportional to 327,118,719.20, 490,261,285.20 and 173,838,207.20

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Solution

The fourth proportional to 327,118,719.20, 490,261,285.20 and 173,838,207.20 is: 260,535,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,118,719.20 : 490,261,285.20 = 173,838,207.20 : x
  2. Step 2: Convert to fraction form
    327,118,719.20/490,261,285.20 = 173,838,207.20/x
  3. Step 3: Cross multiply
    327,118,719.20x = 490,261,285.20 × 173,838,207.20
  4. Step 4: Simplify right side
    327,118,719.20x = 85,226,142,878,735,888
  5. Step 5: Solve for x
    x = 85,226,142,878,735,888/327,118,719.20
  6. Step 6: Final answer
    x = 260,535,817.35

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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.