Home / 387,151,922.80-580,727,884.20-344,825,599.60

Finding the Fourth Proportional to 387,151,922.80, 580,727,884.20 and 344,825,599.60

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Solution

The fourth proportional to 387,151,922.80, 580,727,884.20 and 344,825,599.60 is: 517,238,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,151,922.80 : 580,727,884.20 = 344,825,599.60 : x
  2. Step 2: Convert to fraction form
    387,151,922.80/580,727,884.20 = 344,825,599.60/x
  3. Step 3: Cross multiply
    387,151,922.80x = 580,727,884.20 × 344,825,599.60
  4. Step 4: Simplify right side
    387,151,922.80x = 200,249,840,873,704,384
  5. Step 5: Solve for x
    x = 200,249,840,873,704,384/387,151,922.80
  6. Step 6: Final answer
    x = 517,238,399.40

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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.