Home / 2,147,479,133.16-3,220,200,952.56-747,975,317.88

Finding the Fourth Proportional to 2,147,479,133.16, 3,220,200,952.56 and 747,975,317.88

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Solution

The fourth proportional to 2,147,479,133.16, 3,220,200,952.56 and 747,975,317.88 is: 1,121,608,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,479,133.16 : 3,220,200,952.56 = 747,975,317.88 : x
  2. Step 2: Convert to fraction form
    2,147,479,133.16/3,220,200,952.56 = 747,975,317.88/x
  3. Step 3: Cross multiply
    2,147,479,133.16x = 3,220,200,952.56 × 747,975,317.88
  4. Step 4: Simplify right side
    2,147,479,133.16x = 2,408,630,831,128,544,768
  5. Step 5: Solve for x
    x = 2,408,630,831,128,544,768/2,147,479,133.16
  6. Step 6: Final answer
    x = 1,121,608,491.53

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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.