Home / 291,267,177.60-436,900,766.40-176,192,486.40

Finding the Fourth Proportional to 291,267,177.60, 436,900,766.40 and 176,192,486.40

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Solution

The fourth proportional to 291,267,177.60, 436,900,766.40 and 176,192,486.40 is: 264,288,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,267,177.60 : 436,900,766.40 = 176,192,486.40 : x
  2. Step 2: Convert to fraction form
    291,267,177.60/436,900,766.40 = 176,192,486.40/x
  3. Step 3: Cross multiply
    291,267,177.60x = 436,900,766.40 × 176,192,486.40
  4. Step 4: Simplify right side
    291,267,177.60x = 76,978,632,342,081,568
  5. Step 5: Solve for x
    x = 76,978,632,342,081,568/291,267,177.60
  6. Step 6: Final answer
    x = 264,288,729.60

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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.