Home / 396,043,407.80-594,065,111.70-362,003,190.20

Finding the Fourth Proportional to 396,043,407.80, 594,065,111.70 and 362,003,190.20

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Solution

The fourth proportional to 396,043,407.80, 594,065,111.70 and 362,003,190.20 is: 543,004,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,043,407.80 : 594,065,111.70 = 362,003,190.20 : x
  2. Step 2: Convert to fraction form
    396,043,407.80/594,065,111.70 = 362,003,190.20/x
  3. Step 3: Cross multiply
    396,043,407.80x = 594,065,111.70 × 362,003,190.20
  4. Step 4: Simplify right side
    396,043,407.80x = 215,053,465,621,919,360
  5. Step 5: Solve for x
    x = 215,053,465,621,919,360/396,043,407.80
  6. Step 6: Final answer
    x = 543,004,785.30

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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.