Home / 806,102,638,222.29-1,209,158,477,870-268,879,123,789.86

Finding the Fourth Proportional to 806,102,638,222.29, 1,209,158,477,870 and 268,879,123,789.86

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Solution

The fourth proportional to 806,102,638,222.29, 1,209,158,477,870 and 268,879,123,789.86 is: 403,320,193,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,102,638,222.29 : 1,209,158,477,870 = 268,879,123,789.86 : x
  2. Step 2: Convert to fraction form
    806,102,638,222.29/1,209,158,477,870 = 268,879,123,789.86/x
  3. Step 3: Cross multiply
    806,102,638,222.29x = 1,209,158,477,870 × 268,879,123,789.86
  4. Step 4: Simplify right side
    806,102,638,222.29x = 325,117,472,052,766,427,840,512
  5. Step 5: Solve for x
    x = 325,117,472,052,766,427,840,512/806,102,638,222.29
  6. Step 6: Final answer
    x = 403,320,193,529.89

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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.