Home / 665,304,543.07-997,173,105.17-271,585,481.76

Finding the Fourth Proportional to 665,304,543.07, 997,173,105.17 and 271,585,481.76

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Solution

The fourth proportional to 665,304,543.07, 997,173,105.17 and 271,585,481.76 is: 407,058,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,304,543.07 : 997,173,105.17 = 271,585,481.76 : x
  2. Step 2: Convert to fraction form
    665,304,543.07/997,173,105.17 = 271,585,481.76/x
  3. Step 3: Cross multiply
    665,304,543.07x = 997,173,105.17 × 271,585,481.76
  4. Step 4: Simplify right side
    665,304,543.07x = 270,817,738,164,351,648
  5. Step 5: Solve for x
    x = 270,817,738,164,351,648/665,304,543.07
  6. Step 6: Final answer
    x = 407,058,302.83

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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.