Home / 664,353,812.40-996,527,093.65-270,879,095.04

Finding the Fourth Proportional to 664,353,812.40, 996,527,093.65 and 270,879,095.04

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Solution

The fourth proportional to 664,353,812.40, 996,527,093.65 and 270,879,095.04 is: 406,317,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,353,812.40 : 996,527,093.65 = 270,879,095.04 : x
  2. Step 2: Convert to fraction form
    664,353,812.40/996,527,093.65 = 270,879,095.04/x
  3. Step 3: Cross multiply
    664,353,812.40x = 996,527,093.65 × 270,879,095.04
  4. Step 4: Simplify right side
    664,353,812.40x = 269,938,357,310,753,344
  5. Step 5: Solve for x
    x = 269,938,357,310,753,344/664,353,812.40
  6. Step 6: Final answer
    x = 406,317,164.55

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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.