Home / 486,954,614.96-729,974,685.94-163,612,360.88

Finding the Fourth Proportional to 486,954,614.96, 729,974,685.94 and 163,612,360.88

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Solution

The fourth proportional to 486,954,614.96, 729,974,685.94 and 163,612,360.88 is: 245,264,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,954,614.96 : 729,974,685.94 = 163,612,360.88 : x
  2. Step 2: Convert to fraction form
    486,954,614.96/729,974,685.94 = 163,612,360.88/x
  3. Step 3: Cross multiply
    486,954,614.96x = 729,974,685.94 × 163,612,360.88
  4. Step 4: Simplify right side
    486,954,614.96x = 119,432,881,749,279,952
  5. Step 5: Solve for x
    x = 119,432,881,749,279,952/486,954,614.96
  6. Step 6: Final answer
    x = 245,264,913.98

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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.