Home / 1,360,321,458.40-2,040,482,187.60-440,290,799.20

Finding the Fourth Proportional to 1,360,321,458.40, 2,040,482,187.60 and 440,290,799.20

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Solution

The fourth proportional to 1,360,321,458.40, 2,040,482,187.60 and 440,290,799.20 is: 660,436,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,321,458.40 : 2,040,482,187.60 = 440,290,799.20 : x
  2. Step 2: Convert to fraction form
    1,360,321,458.40/2,040,482,187.60 = 440,290,799.20/x
  3. Step 3: Cross multiply
    1,360,321,458.40x = 2,040,482,187.60 × 440,290,799.20
  4. Step 4: Simplify right side
    1,360,321,458.40x = 898,405,533,131,768,320
  5. Step 5: Solve for x
    x = 898,405,533,131,768,320/1,360,321,458.40
  6. Step 6: Final answer
    x = 660,436,198.80

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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.