Home / 1,324,659,095.60-1,986,988,643.40-1,315,589,169.20

Finding the Fourth Proportional to 1,324,659,095.60, 1,986,988,643.40 and 1,315,589,169.20

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Solution

The fourth proportional to 1,324,659,095.60, 1,986,988,643.40 and 1,315,589,169.20 is: 1,973,383,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,659,095.60 : 1,986,988,643.40 = 1,315,589,169.20 : x
  2. Step 2: Convert to fraction form
    1,324,659,095.60/1,986,988,643.40 = 1,315,589,169.20/x
  3. Step 3: Cross multiply
    1,324,659,095.60x = 1,986,988,643.40 × 1,315,589,169.20
  4. Step 4: Simplify right side
    1,324,659,095.60x = 2,614,060,738,580,441,088
  5. Step 5: Solve for x
    x = 2,614,060,738,580,441,088/1,324,659,095.60
  6. Step 6: Final answer
    x = 1,973,383,753.80

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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.