Home / 550,468,640.60-825,702,960.90-305,580,627.80

Finding the Fourth Proportional to 550,468,640.60, 825,702,960.90 and 305,580,627.80

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Solution

The fourth proportional to 550,468,640.60, 825,702,960.90 and 305,580,627.80 is: 458,370,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,468,640.60 : 825,702,960.90 = 305,580,627.80 : x
  2. Step 2: Convert to fraction form
    550,468,640.60/825,702,960.90 = 305,580,627.80/x
  3. Step 3: Cross multiply
    550,468,640.60x = 825,702,960.90 × 305,580,627.80
  4. Step 4: Simplify right side
    550,468,640.60x = 252,318,829,168,140,864
  5. Step 5: Solve for x
    x = 252,318,829,168,140,864/550,468,640.60
  6. Step 6: Final answer
    x = 458,370,941.70

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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.