Home / 743,281,067.62-1,025,754,842.39-425,802,672.32

Finding the Fourth Proportional to 743,281,067.62, 1,025,754,842.39 and 425,802,672.32

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Solution

The fourth proportional to 743,281,067.62, 1,025,754,842.39 and 425,802,672.32 is: 587,623,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,281,067.62 : 1,025,754,842.39 = 425,802,672.32 : x
  2. Step 2: Convert to fraction form
    743,281,067.62/1,025,754,842.39 = 425,802,672.32/x
  3. Step 3: Cross multiply
    743,281,067.62x = 1,025,754,842.39 × 425,802,672.32
  4. Step 4: Simplify right side
    743,281,067.62x = 436,769,153,034,842,432
  5. Step 5: Solve for x
    x = 436,769,153,034,842,432/743,281,067.62
  6. Step 6: Final answer
    x = 587,623,137.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.