Home / 716,228,578.53-1,074,342,777.48-198,659,017.26

Finding the Fourth Proportional to 716,228,578.53, 1,074,342,777.48 and 198,659,017.26

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Solution

The fourth proportional to 716,228,578.53, 1,074,342,777.48 and 198,659,017.26 is: 297,988,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,228,578.53 : 1,074,342,777.48 = 198,659,017.26 : x
  2. Step 2: Convert to fraction form
    716,228,578.53/1,074,342,777.48 = 198,659,017.26/x
  3. Step 3: Cross multiply
    716,228,578.53x = 1,074,342,777.48 × 198,659,017.26
  4. Step 4: Simplify right side
    716,228,578.53x = 213,427,880,374,555,648
  5. Step 5: Solve for x
    x = 213,427,880,374,555,648/716,228,578.53
  6. Step 6: Final answer
    x = 297,988,500.84

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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.