Home / 492,081,686.60-737,618,645.10-287,504,457.80

Finding the Fourth Proportional to 492,081,686.60, 737,618,645.10 and 287,504,457.80

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Solution

The fourth proportional to 492,081,686.60, 737,618,645.10 and 287,504,457.80 is: 430,962,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,081,686.60 : 737,618,645.10 = 287,504,457.80 : x
  2. Step 2: Convert to fraction form
    492,081,686.60/737,618,645.10 = 287,504,457.80/x
  3. Step 3: Cross multiply
    492,081,686.60x = 737,618,645.10 × 287,504,457.80
  4. Step 4: Simplify right side
    492,081,686.60x = 212,068,648,622,646,144
  5. Step 5: Solve for x
    x = 212,068,648,622,646,144/492,081,686.60
  6. Step 6: Final answer
    x = 430,962,286.14

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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.