Home / 492,083,148.60-737,620,838.10-287,505,919.80

Finding the Fourth Proportional to 492,083,148.60, 737,620,838.10 and 287,505,919.80

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Solution

The fourth proportional to 492,083,148.60, 737,620,838.10 and 287,505,919.80 is: 430,964,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083,148.60 : 737,620,838.10 = 287,505,919.80 : x
  2. Step 2: Convert to fraction form
    492,083,148.60/737,620,838.10 = 287,505,919.80/x
  3. Step 3: Cross multiply
    492,083,148.60x = 737,620,838.10 × 287,505,919.80
  4. Step 4: Simplify right side
    492,083,148.60x = 212,070,357,521,587,392
  5. Step 5: Solve for x
    x = 212,070,357,521,587,392/492,083,148.60
  6. Step 6: Final answer
    x = 430,964,478.51

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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.