Home / 218,614,180,017.60-327,921,270,026.40-130,381,935,998.40

Finding the Fourth Proportional to 218,614,180,017.60, 327,921,270,026.40 and 130,381,935,998.40

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Solution

The fourth proportional to 218,614,180,017.60, 327,921,270,026.40 and 130,381,935,998.40 is: 195,572,903,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,614,180,017.60 : 327,921,270,026.40 = 130,381,935,998.40 : x
  2. Step 2: Convert to fraction form
    218,614,180,017.60/327,921,270,026.40 = 130,381,935,998.40/x
  3. Step 3: Cross multiply
    218,614,180,017.60x = 327,921,270,026.40 × 130,381,935,998.40
  4. Step 4: Simplify right side
    218,614,180,017.60x = 42,755,010,041,096,127,381,504
  5. Step 5: Solve for x
    x = 42,755,010,041,096,127,381,504/218,614,180,017.60
  6. Step 6: Final answer
    x = 195,572,903,997.60

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Double scale
Find fourth proportional to 218,614,180,018.60, 327,921,270,027.90 and 130,381,935,999.40
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.