Home / 1,335,568,540.80-2,003,352,811.20-986,890,100.70

Finding the Fourth Proportional to 1,335,568,540.80, 2,003,352,811.20 and 986,890,100.70

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Solution

The fourth proportional to 1,335,568,540.80, 2,003,352,811.20 and 986,890,100.70 is: 1,480,335,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,568,540.80 : 2,003,352,811.20 = 986,890,100.70 : x
  2. Step 2: Convert to fraction form
    1,335,568,540.80/2,003,352,811.20 = 986,890,100.70/x
  3. Step 3: Cross multiply
    1,335,568,540.80x = 2,003,352,811.20 × 986,890,100.70
  4. Step 4: Simplify right side
    1,335,568,540.80x = 1,977,089,057,582,796,288
  5. Step 5: Solve for x
    x = 1,977,089,057,582,796,288/1,335,568,540.80
  6. Step 6: Final answer
    x = 1,480,335,151.05

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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.