Home / 300,950,202,229.86-415,311,346,869.12-165,619,382,665.44

Finding the Fourth Proportional to 300,950,202,229.86, 415,311,346,869.12 and 165,619,382,665.44

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Solution

The fourth proportional to 300,950,202,229.86, 415,311,346,869.12 and 165,619,382,665.44 is: 228,554,785,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,202,229.86 : 415,311,346,869.12 = 165,619,382,665.44 : x
  2. Step 2: Convert to fraction form
    300,950,202,229.86/415,311,346,869.12 = 165,619,382,665.44/x
  3. Step 3: Cross multiply
    300,950,202,229.86x = 415,311,346,869.12 × 165,619,382,665.44
  4. Step 4: Simplify right side
    300,950,202,229.86x = 68,783,608,882,416,075,145,216
  5. Step 5: Solve for x
    x = 68,783,608,882,416,075,145,216/300,950,202,229.86
  6. Step 6: Final answer
    x = 228,554,785,385.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.