Home / 323,677,965.20-485,516,947.80-286,264,518.80

Finding the Fourth Proportional to 323,677,965.20, 485,516,947.80 and 286,264,518.80

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Solution

The fourth proportional to 323,677,965.20, 485,516,947.80 and 286,264,518.80 is: 429,396,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,677,965.20 : 485,516,947.80 = 286,264,518.80 : x
  2. Step 2: Convert to fraction form
    323,677,965.20/485,516,947.80 = 286,264,518.80/x
  3. Step 3: Cross multiply
    323,677,965.20x = 485,516,947.80 × 286,264,518.80
  4. Step 4: Simplify right side
    323,677,965.20x = 138,986,275,431,211,728
  5. Step 5: Solve for x
    x = 138,986,275,431,211,728/323,677,965.20
  6. Step 6: Final answer
    x = 429,396,778.20

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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.