Home / 392,749,229,563.28-589,134,820,635.48-127,753,616,137.04

Finding the Fourth Proportional to 392,749,229,563.28, 589,134,820,635.48 and 127,753,616,137.04

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Solution

The fourth proportional to 392,749,229,563.28, 589,134,820,635.48 and 127,753,616,137.04 is: 191,633,994,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,749,229,563.28 : 589,134,820,635.48 = 127,753,616,137.04 : x
  2. Step 2: Convert to fraction form
    392,749,229,563.28/589,134,820,635.48 = 127,753,616,137.04/x
  3. Step 3: Cross multiply
    392,749,229,563.28x = 589,134,820,635.48 × 127,753,616,137.04
  4. Step 4: Simplify right side
    392,749,229,563.28x = 75,264,103,728,429,014,188,032
  5. Step 5: Solve for x
    x = 75,264,103,728,429,014,188,032/392,749,229,563.28
  6. Step 6: Final answer
    x = 191,633,994,577.45

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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.