Home / 330,415,019.84-455,972,961.24-181,747,451.92

Finding the Fourth Proportional to 330,415,019.84, 455,972,961.24 and 181,747,451.92

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Solution

The fourth proportional to 330,415,019.84, 455,972,961.24 and 181,747,451.92 is: 250,811,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,415,019.84 : 455,972,961.24 = 181,747,451.92 : x
  2. Step 2: Convert to fraction form
    330,415,019.84/455,972,961.24 = 181,747,451.92/x
  3. Step 3: Cross multiply
    330,415,019.84x = 455,972,961.24 × 181,747,451.92
  4. Step 4: Simplify right side
    330,415,019.84x = 82,871,923,849,786,912
  5. Step 5: Solve for x
    x = 82,871,923,849,786,912/330,415,019.84
  6. Step 6: Final answer
    x = 250,811,612.29

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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.