Home / 489,520,023.80-734,067,459.30-161,868,932.60

Finding the Fourth Proportional to 489,520,023.80, 734,067,459.30 and 161,868,932.60

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Solution

The fourth proportional to 489,520,023.80, 734,067,459.30 and 161,868,932.60 is: 242,733,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,520,023.80 : 734,067,459.30 = 161,868,932.60 : x
  2. Step 2: Convert to fraction form
    489,520,023.80/734,067,459.30 = 161,868,932.60/x
  3. Step 3: Cross multiply
    489,520,023.80x = 734,067,459.30 × 161,868,932.60
  4. Step 4: Simplify right side
    489,520,023.80x = 118,822,716,093,284,928
  5. Step 5: Solve for x
    x = 118,822,716,093,284,928/489,520,023.80
  6. Step 6: Final answer
    x = 242,733,106.55

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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.