Home / 1,010,405,515.80-1,515,608,273.70-996,800,626.20

Finding the Fourth Proportional to 1,010,405,515.80, 1,515,608,273.70 and 996,800,626.20

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Solution

The fourth proportional to 1,010,405,515.80, 1,515,608,273.70 and 996,800,626.20 is: 1,495,200,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,405,515.80 : 1,515,608,273.70 = 996,800,626.20 : x
  2. Step 2: Convert to fraction form
    1,010,405,515.80/1,515,608,273.70 = 996,800,626.20/x
  3. Step 3: Cross multiply
    1,010,405,515.80x = 1,515,608,273.70 × 996,800,626.20
  4. Step 4: Simplify right side
    1,010,405,515.80x = 1,510,759,276,298,061,056
  5. Step 5: Solve for x
    x = 1,510,759,276,298,061,056/1,010,405,515.80
  6. Step 6: Final answer
    x = 1,495,200,939.30

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Double scale
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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.