Home / 492,081,685.60-737,618,643.60-287,504,456.80

Finding the Fourth Proportional to 492,081,685.60, 737,618,643.60 and 287,504,456.80

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Solution

The fourth proportional to 492,081,685.60, 737,618,643.60 and 287,504,456.80 is: 430,962,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,081,685.60 : 737,618,643.60 = 287,504,456.80 : x
  2. Step 2: Convert to fraction form
    492,081,685.60/737,618,643.60 = 287,504,456.80/x
  3. Step 3: Cross multiply
    492,081,685.60x = 737,618,643.60 × 287,504,456.80
  4. Step 4: Simplify right side
    492,081,685.60x = 212,068,647,453,770,816
  5. Step 5: Solve for x
    x = 212,068,647,453,770,816/492,081,685.60
  6. Step 6: Final answer
    x = 430,962,284.64

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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.