Home / 2,022,489,987.60-3,033,734,981.40-642,443,998.80

Finding the Fourth Proportional to 2,022,489,987.60, 3,033,734,981.40 and 642,443,998.80

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Solution

The fourth proportional to 2,022,489,987.60, 3,033,734,981.40 and 642,443,998.80 is: 963,665,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022,489,987.60 : 3,033,734,981.40 = 642,443,998.80 : x
  2. Step 2: Convert to fraction form
    2,022,489,987.60/3,033,734,981.40 = 642,443,998.80/x
  3. Step 3: Cross multiply
    2,022,489,987.60x = 3,033,734,981.40 × 642,443,998.80
  4. Step 4: Simplify right side
    2,022,489,987.60x = 1,949,004,832,750,059,520
  5. Step 5: Solve for x
    x = 1,949,004,832,750,059,520/2,022,489,987.60
  6. Step 6: Final answer
    x = 963,665,998.20

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Half scale
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Double scale
Find fourth proportional to 2,022,489,988.60, 3,033,734,982.90 and 642,443,999.80
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.