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Finding the Fourth Proportional to 301,806,039.60, 452,709,059.40 and 263,542,287.60

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Solution

The fourth proportional to 301,806,039.60, 452,709,059.40 and 263,542,287.60 is: 395,313,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,806,039.60 : 452,709,059.40 = 263,542,287.60 : x
  2. Step 2: Convert to fraction form
    301,806,039.60/452,709,059.40 = 263,542,287.60/x
  3. Step 3: Cross multiply
    301,806,039.60x = 452,709,059.40 × 263,542,287.60
  4. Step 4: Simplify right side
    301,806,039.60x = 119,307,981,131,520,272
  5. Step 5: Solve for x
    x = 119,307,981,131,520,272/301,806,039.60
  6. Step 6: Final answer
    x = 395,313,431.40

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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.