Home / 419,193,989.36-627,985,088.20-234,400,988.59

Finding the Fourth Proportional to 419,193,989.36, 627,985,088.20 and 234,400,988.59

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Solution

The fourth proportional to 419,193,989.36, 627,985,088.20 and 234,400,988.59 is: 351,150,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,193,989.36 : 627,985,088.20 = 234,400,988.59 : x
  2. Step 2: Convert to fraction form
    419,193,989.36/627,985,088.20 = 234,400,988.59/x
  3. Step 3: Cross multiply
    419,193,989.36x = 627,985,088.20 × 234,400,988.59
  4. Step 4: Simplify right side
    419,193,989.36x = 147,200,325,493,858,368
  5. Step 5: Solve for x
    x = 147,200,325,493,858,368/419,193,989.36
  6. Step 6: Final answer
    x = 351,150,849.56

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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.