Home / 441,054,528.20-660,574,022.70-259,656,000.20

Finding the Fourth Proportional to 441,054,528.20, 660,574,022.70 and 259,656,000.20

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Solution

The fourth proportional to 441,054,528.20, 660,574,022.70 and 259,656,000.20 is: 388,890,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,054,528.20 : 660,574,022.70 = 259,656,000.20 : x
  2. Step 2: Convert to fraction form
    441,054,528.20/660,574,022.70 = 259,656,000.20/x
  3. Step 3: Cross multiply
    441,054,528.20x = 660,574,022.70 × 259,656,000.20
  4. Step 4: Simplify right side
    441,054,528.20x = 171,522,008,570,306,016
  5. Step 5: Solve for x
    x = 171,522,008,570,306,016/441,054,528.20
  6. Step 6: Final answer
    x = 388,890,709.89

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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.