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Finding the Fourth Proportional to 409,451,409.60, 614,177,114.40 and 409,451,409.60

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Solution

The fourth proportional to 409,451,409.60, 614,177,114.40 and 409,451,409.60 is: 614,177,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,451,409.60 : 614,177,114.40 = 409,451,409.60 : x
  2. Step 2: Convert to fraction form
    409,451,409.60/614,177,114.40 = 409,451,409.60/x
  3. Step 3: Cross multiply
    409,451,409.60x = 614,177,114.40 × 409,451,409.60
  4. Step 4: Simplify right side
    409,451,409.60x = 251,475,685,235,140,448
  5. Step 5: Solve for x
    x = 251,475,685,235,140,448/409,451,409.60
  6. Step 6: Final answer
    x = 614,177,114.40

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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.