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Finding the Fourth Proportional to 468,072,309.60, 700,764,771.60 and 454,635,381.60

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Solution

The fourth proportional to 468,072,309.60, 700,764,771.60 and 454,635,381.60 is: 680,647,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,072,309.60 : 700,764,771.60 = 454,635,381.60 : x
  2. Step 2: Convert to fraction form
    468,072,309.60/700,764,771.60 = 454,635,381.60/x
  3. Step 3: Cross multiply
    468,072,309.60x = 700,764,771.60 × 454,635,381.60
  4. Step 4: Simplify right side
    468,072,309.60x = 318,592,459,348,202,880
  5. Step 5: Solve for x
    x = 318,592,459,348,202,880/468,072,309.60
  6. Step 6: Final answer
    x = 680,647,952.92

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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.