Home / 806,102,638,221.45-1,209,158,477,868.60-268,879,123,788.97

Finding the Fourth Proportional to 806,102,638,221.45, 1,209,158,477,868.60 and 268,879,123,788.97

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Solution

The fourth proportional to 806,102,638,221.45, 1,209,158,477,868.60 and 268,879,123,788.97 is: 403,320,193,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,102,638,221.45 : 1,209,158,477,868.60 = 268,879,123,788.97 : x
  2. Step 2: Convert to fraction form
    806,102,638,221.45/1,209,158,477,868.60 = 268,879,123,788.97/x
  3. Step 3: Cross multiply
    806,102,638,221.45x = 1,209,158,477,868.60 × 268,879,123,788.97
  4. Step 4: Simplify right side
    806,102,638,221.45x = 325,117,472,051,313,856,479,232
  5. Step 5: Solve for x
    x = 325,117,472,051,313,856,479,232/806,102,638,221.45
  6. Step 6: Final answer
    x = 403,320,193,528.51

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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.