Home / 218,364,146,232.40-327,546,219,348.60-142,612,120,939.60

Finding the Fourth Proportional to 218,364,146,232.40, 327,546,219,348.60 and 142,612,120,939.60

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Solution

The fourth proportional to 218,364,146,232.40, 327,546,219,348.60 and 142,612,120,939.60 is: 213,918,181,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,364,146,232.40 : 327,546,219,348.60 = 142,612,120,939.60 : x
  2. Step 2: Convert to fraction form
    218,364,146,232.40/327,546,219,348.60 = 142,612,120,939.60/x
  3. Step 3: Cross multiply
    218,364,146,232.40x = 327,546,219,348.60 × 142,612,120,939.60
  4. Step 4: Simplify right side
    218,364,146,232.40x = 46,712,061,047,051,288,313,856
  5. Step 5: Solve for x
    x = 46,712,061,047,051,288,313,856/218,364,146,232.40
  6. Step 6: Final answer
    x = 213,918,181,409.40

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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.