Home / 812,154,758.94-1,218,279,377.61-229,840,289.82

Finding the Fourth Proportional to 812,154,758.94, 1,218,279,377.61 and 229,840,289.82

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Solution

The fourth proportional to 812,154,758.94, 1,218,279,377.61 and 229,840,289.82 is: 344,773,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,154,758.94 : 1,218,279,377.61 = 229,840,289.82 : x
  2. Step 2: Convert to fraction form
    812,154,758.94/1,218,279,377.61 = 229,840,289.82/x
  3. Step 3: Cross multiply
    812,154,758.94x = 1,218,279,377.61 × 229,840,289.82
  4. Step 4: Simplify right side
    812,154,758.94x = 280,009,685,231,611,584
  5. Step 5: Solve for x
    x = 280,009,685,231,611,584/812,154,758.94
  6. Step 6: Final answer
    x = 344,773,803.45

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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.