Home / 2,147,479,135.16-3,220,200,955.56-747,975,319.88

Finding the Fourth Proportional to 2,147,479,135.16, 3,220,200,955.56 and 747,975,319.88

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Solution

The fourth proportional to 2,147,479,135.16, 3,220,200,955.56 and 747,975,319.88 is: 1,121,608,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,479,135.16 : 3,220,200,955.56 = 747,975,319.88 : x
  2. Step 2: Convert to fraction form
    2,147,479,135.16/3,220,200,955.56 = 747,975,319.88/x
  3. Step 3: Cross multiply
    2,147,479,135.16x = 3,220,200,955.56 × 747,975,319.88
  4. Step 4: Simplify right side
    2,147,479,135.16x = 2,408,630,839,812,872,704
  5. Step 5: Solve for x
    x = 2,408,630,839,812,872,704/2,147,479,135.16
  6. Step 6: Final answer
    x = 1,121,608,494.53

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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.