Home / 419,193,988.36-627,985,086.71-234,400,987.59

Finding the Fourth Proportional to 419,193,988.36, 627,985,086.71 and 234,400,987.59

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Solution

The fourth proportional to 419,193,988.36, 627,985,086.71 and 234,400,987.59 is: 351,150,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,193,988.36 : 627,985,086.71 = 234,400,987.59 : x
  2. Step 2: Convert to fraction form
    419,193,988.36/627,985,086.71 = 234,400,987.59/x
  3. Step 3: Cross multiply
    419,193,988.36x = 627,985,086.71 × 234,400,987.59
  4. Step 4: Simplify right side
    419,193,988.36x = 147,200,324,513,088,864
  5. Step 5: Solve for x
    x = 147,200,324,513,088,864/419,193,988.36
  6. Step 6: Final answer
    x = 351,150,848.06

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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.