Home / 392,330,304,772.80-588,495,457,159.20-193,971,014,404.80

Finding the Fourth Proportional to 392,330,304,772.80, 588,495,457,159.20 and 193,971,014,404.80

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Solution

The fourth proportional to 392,330,304,772.80, 588,495,457,159.20 and 193,971,014,404.80 is: 290,956,521,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,330,304,772.80 : 588,495,457,159.20 = 193,971,014,404.80 : x
  2. Step 2: Convert to fraction form
    392,330,304,772.80/588,495,457,159.20 = 193,971,014,404.80/x
  3. Step 3: Cross multiply
    392,330,304,772.80x = 588,495,457,159.20 × 193,971,014,404.80
  4. Step 4: Simplify right side
    392,330,304,772.80x = 114,151,060,797,786,521,862,144
  5. Step 5: Solve for x
    x = 114,151,060,797,786,521,862,144/392,330,304,772.80
  6. Step 6: Final answer
    x = 290,956,521,607.20

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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.