Home / 397,029,754.60-595,544,631.90-287,340,332.20

Finding the Fourth Proportional to 397,029,754.60, 595,544,631.90 and 287,340,332.20

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Solution

The fourth proportional to 397,029,754.60, 595,544,631.90 and 287,340,332.20 is: 431,010,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,029,754.60 : 595,544,631.90 = 287,340,332.20 : x
  2. Step 2: Convert to fraction form
    397,029,754.60/595,544,631.90 = 287,340,332.20/x
  3. Step 3: Cross multiply
    397,029,754.60x = 595,544,631.90 × 287,340,332.20
  4. Step 4: Simplify right side
    397,029,754.60x = 171,123,992,370,072,704
  5. Step 5: Solve for x
    x = 171,123,992,370,072,704/397,029,754.60
  6. Step 6: Final answer
    x = 431,010,498.30

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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.