Home / 472,393,414.80-708,590,122.20-422,650,537.20

Finding the Fourth Proportional to 472,393,414.80, 708,590,122.20 and 422,650,537.20

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Solution

The fourth proportional to 472,393,414.80, 708,590,122.20 and 422,650,537.20 is: 633,975,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,414.80 : 708,590,122.20 = 422,650,537.20 : x
  2. Step 2: Convert to fraction form
    472,393,414.80/708,590,122.20 = 422,650,537.20/x
  3. Step 3: Cross multiply
    472,393,414.80x = 708,590,122.20 × 422,650,537.20
  4. Step 4: Simplify right side
    472,393,414.80x = 299,485,995,802,443,648
  5. Step 5: Solve for x
    x = 299,485,995,802,443,648/472,393,414.80
  6. Step 6: Final answer
    x = 633,975,805.80

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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.