Home / 762,542,260.53-1,052,250,569.04-427,950,162.36

Finding the Fourth Proportional to 762,542,260.53, 1,052,250,569.04 and 427,950,162.36

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Solution

The fourth proportional to 762,542,260.53, 1,052,250,569.04 and 427,950,162.36 is: 590,538,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,542,260.53 : 1,052,250,569.04 = 427,950,162.36 : x
  2. Step 2: Convert to fraction form
    762,542,260.53/1,052,250,569.04 = 427,950,162.36/x
  3. Step 3: Cross multiply
    762,542,260.53x = 1,052,250,569.04 × 427,950,162.36
  4. Step 4: Simplify right side
    762,542,260.53x = 450,310,801,864,070,400
  5. Step 5: Solve for x
    x = 450,310,801,864,070,400/762,542,260.53
  6. Step 6: Final answer
    x = 590,538,813.61

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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.