Home / 407,936,760,007.20-611,905,140,010.80-322,715,731,552.80

Finding the Fourth Proportional to 407,936,760,007.20, 611,905,140,010.80 and 322,715,731,552.80

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Solution

The fourth proportional to 407,936,760,007.20, 611,905,140,010.80 and 322,715,731,552.80 is: 484,073,597,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,936,760,007.20 : 611,905,140,010.80 = 322,715,731,552.80 : x
  2. Step 2: Convert to fraction form
    407,936,760,007.20/611,905,140,010.80 = 322,715,731,552.80/x
  3. Step 3: Cross multiply
    407,936,760,007.20x = 611,905,140,010.80 × 322,715,731,552.80
  4. Step 4: Simplify right side
    407,936,760,007.20x = 197,471,414,899,503,840,362,496
  5. Step 5: Solve for x
    x = 197,471,414,899,503,840,362,496/407,936,760,007.20
  6. Step 6: Final answer
    x = 484,073,597,329.20

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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.