Home / 218,614,180,020.10-327,921,270,030.15-130,381,936,000.90

Finding the Fourth Proportional to 218,614,180,020.10, 327,921,270,030.15 and 130,381,936,000.90

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Solution

The fourth proportional to 218,614,180,020.10, 327,921,270,030.15 and 130,381,936,000.90 is: 195,572,904,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614,180,020.10 : 327,921,270,030.15 = 130,381,936,000.90 : x
  2. Step 2: Convert to fraction form
    218,614,180,020.10/327,921,270,030.15 = 130,381,936,000.90/x
  3. Step 3: Cross multiply
    218,614,180,020.10x = 327,921,270,030.15 × 130,381,936,000.90
  4. Step 4: Simplify right side
    218,614,180,020.10x = 42,755,010,042,404,867,670,016
  5. Step 5: Solve for x
    x = 42,755,010,042,404,867,670,016/218,614,180,020.10
  6. Step 6: Final answer
    x = 195,572,904,001.35

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Double scale
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Similar ratio
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1.5x scale

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.