Home / 787,251,552.97-1,180,420,469.40-372,724,894.24

Finding the Fourth Proportional to 787,251,552.97, 1,180,420,469.40 and 372,724,894.24

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Solution

The fourth proportional to 787,251,552.97, 1,180,420,469.40 and 372,724,894.24 is: 558,871,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,251,552.97 : 1,180,420,469.40 = 372,724,894.24 : x
  2. Step 2: Convert to fraction form
    787,251,552.97/1,180,420,469.40 = 372,724,894.24/x
  3. Step 3: Cross multiply
    787,251,552.97x = 1,180,420,469.40 × 372,724,894.24
  4. Step 4: Simplify right side
    787,251,552.97x = 439,972,094,615,846,208
  5. Step 5: Solve for x
    x = 439,972,094,615,846,208/787,251,552.97
  6. Step 6: Final answer
    x = 558,871,040.59

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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.