Home / 647,694,564.30-971,541,846.45-372,195,549.90

Finding the Fourth Proportional to 647,694,564.30, 971,541,846.45 and 372,195,549.90

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Solution

The fourth proportional to 647,694,564.30, 971,541,846.45 and 372,195,549.90 is: 558,293,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,564.30 : 971,541,846.45 = 372,195,549.90 : x
  2. Step 2: Convert to fraction form
    647,694,564.30/971,541,846.45 = 372,195,549.90/x
  3. Step 3: Cross multiply
    647,694,564.30x = 971,541,846.45 × 372,195,549.90
  4. Step 4: Simplify right side
    647,694,564.30x = 361,603,551,790,319,104
  5. Step 5: Solve for x
    x = 361,603,551,790,319,104/647,694,564.30
  6. Step 6: Final answer
    x = 558,293,324.85

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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.