Home / 486,954,609.96-729,974,678.46-163,612,355.88

Finding the Fourth Proportional to 486,954,609.96, 729,974,678.46 and 163,612,355.88

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Solution

The fourth proportional to 486,954,609.96, 729,974,678.46 and 163,612,355.88 is: 245,264,906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,954,609.96 : 729,974,678.46 = 163,612,355.88 : x
  2. Step 2: Convert to fraction form
    486,954,609.96/729,974,678.46 = 163,612,355.88/x
  3. Step 3: Cross multiply
    486,954,609.96x = 729,974,678.46 × 163,612,355.88
  4. Step 4: Simplify right side
    486,954,609.96x = 119,432,876,875,586,096
  5. Step 5: Solve for x
    x = 119,432,876,875,586,096/486,954,609.96
  6. Step 6: Final answer
    x = 245,264,906.49

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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.