Home / 470,071,474.30-648,014,951.22-328,503,169.84

Finding the Fourth Proportional to 470,071,474.30, 648,014,951.22 and 328,503,169.84

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Solution

The fourth proportional to 470,071,474.30, 648,014,951.22 and 328,503,169.84 is: 452,856,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,071,474.30 : 648,014,951.22 = 328,503,169.84 : x
  2. Step 2: Convert to fraction form
    470,071,474.30/648,014,951.22 = 328,503,169.84/x
  3. Step 3: Cross multiply
    470,071,474.30x = 648,014,951.22 × 328,503,169.84
  4. Step 4: Simplify right side
    470,071,474.30x = 212,874,965,579,482,976
  5. Step 5: Solve for x
    x = 212,874,965,579,482,976/470,071,474.30
  6. Step 6: Final answer
    x = 452,856,591.43

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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.