Home / 812,343,194,262.95-1,218,519,983,890.20-238,656,960,692.73

Finding the Fourth Proportional to 812,343,194,262.95, 1,218,519,983,890.20 and 238,656,960,692.73

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Solution

The fourth proportional to 812,343,194,262.95, 1,218,519,983,890.20 and 238,656,960,692.73 is: 357,986,966,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,343,194,262.95 : 1,218,519,983,890.20 = 238,656,960,692.73 : x
  2. Step 2: Convert to fraction form
    812,343,194,262.95/1,218,519,983,890.20 = 238,656,960,692.73/x
  3. Step 3: Cross multiply
    812,343,194,262.95x = 1,218,519,983,890.20 × 238,656,960,692.73
  4. Step 4: Simplify right side
    812,343,194,262.95x = 290,808,275,898,589,465,542,656
  5. Step 5: Solve for x
    x = 290,808,275,898,589,465,542,656/812,343,194,262.95
  6. Step 6: Final answer
    x = 357,986,966,533.82

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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.