Home / 1,345,485,844.60-2,018,228,766.90-982,688,788.60

Finding the Fourth Proportional to 1,345,485,844.60, 2,018,228,766.90 and 982,688,788.60

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Solution

The fourth proportional to 1,345,485,844.60, 2,018,228,766.90 and 982,688,788.60 is: 1,474,033,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,485,844.60 : 2,018,228,766.90 = 982,688,788.60 : x
  2. Step 2: Convert to fraction form
    1,345,485,844.60/2,018,228,766.90 = 982,688,788.60/x
  3. Step 3: Cross multiply
    1,345,485,844.60x = 2,018,228,766.90 × 982,688,788.60
  4. Step 4: Simplify right side
    1,345,485,844.60x = 1,983,290,782,062,632,960
  5. Step 5: Solve for x
    x = 1,983,290,782,062,632,960/1,345,485,844.60
  6. Step 6: Final answer
    x = 1,474,033,182.90

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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.