Home / 1,161,235,339.20-1,741,853,008.80-985,883,428.80

Finding the Fourth Proportional to 1,161,235,339.20, 1,741,853,008.80 and 985,883,428.80

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Solution

The fourth proportional to 1,161,235,339.20, 1,741,853,008.80 and 985,883,428.80 is: 1,478,825,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,235,339.20 : 1,741,853,008.80 = 985,883,428.80 : x
  2. Step 2: Convert to fraction form
    1,161,235,339.20/1,741,853,008.80 = 985,883,428.80/x
  3. Step 3: Cross multiply
    1,161,235,339.20x = 1,741,853,008.80 × 985,883,428.80
  4. Step 4: Simplify right side
    1,161,235,339.20x = 1,717,264,016,781,340,416
  5. Step 5: Solve for x
    x = 1,717,264,016,781,340,416/1,161,235,339.20
  6. Step 6: Final answer
    x = 1,478,825,143.20

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Double scale
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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.