Home / 1,330,685,766.80-1,996,028,650.20-986,311,998.80

Finding the Fourth Proportional to 1,330,685,766.80, 1,996,028,650.20 and 986,311,998.80

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Solution

The fourth proportional to 1,330,685,766.80, 1,996,028,650.20 and 986,311,998.80 is: 1,479,467,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,685,766.80 : 1,996,028,650.20 = 986,311,998.80 : x
  2. Step 2: Convert to fraction form
    1,330,685,766.80/1,996,028,650.20 = 986,311,998.80/x
  3. Step 3: Cross multiply
    1,330,685,766.80x = 1,996,028,650.20 × 986,311,998.80
  4. Step 4: Simplify right side
    1,330,685,766.80x = 1,968,707,007,640,827,904
  5. Step 5: Solve for x
    x = 1,968,707,007,640,827,904/1,330,685,766.80
  6. Step 6: Final answer
    x = 1,479,467,998.20

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Half scale
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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.