Home / 363,986,288.70-545,979,433.05-345,332,709.60

Finding the Fourth Proportional to 363,986,288.70, 545,979,433.05 and 345,332,709.60

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Solution

The fourth proportional to 363,986,288.70, 545,979,433.05 and 345,332,709.60 is: 517,999,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,986,288.70 : 545,979,433.05 = 345,332,709.60 : x
  2. Step 2: Convert to fraction form
    363,986,288.70/545,979,433.05 = 345,332,709.60/x
  3. Step 3: Cross multiply
    363,986,288.70x = 545,979,433.05 × 345,332,709.60
  4. Step 4: Simplify right side
    363,986,288.70x = 188,544,557,001,028,288
  5. Step 5: Solve for x
    x = 188,544,557,001,028,288/363,986,288.70
  6. Step 6: Final answer
    x = 517,999,064.40

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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.