Home / 1,245,843,564.20-1,868,765,346.30-1,043,281,874.60

Finding the Fourth Proportional to 1,245,843,564.20, 1,868,765,346.30 and 1,043,281,874.60

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Solution

The fourth proportional to 1,245,843,564.20, 1,868,765,346.30 and 1,043,281,874.60 is: 1,564,922,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,843,564.20 : 1,868,765,346.30 = 1,043,281,874.60 : x
  2. Step 2: Convert to fraction form
    1,245,843,564.20/1,868,765,346.30 = 1,043,281,874.60/x
  3. Step 3: Cross multiply
    1,245,843,564.20x = 1,868,765,346.30 × 1,043,281,874.60
  4. Step 4: Simplify right side
    1,245,843,564.20x = 1,949,649,013,675,382,272
  5. Step 5: Solve for x
    x = 1,949,649,013,675,382,272/1,245,843,564.20
  6. Step 6: Final answer
    x = 1,564,922,811.90

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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.