Home / 15,200,629,646.94-20,976,868,579.32-8,426,431,060.56

Finding the Fourth Proportional to 15,200,629,646.94, 20,976,868,579.32 and 8,426,431,060.56

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Solution

The fourth proportional to 15,200,629,646.94, 20,976,868,579.32 and 8,426,431,060.56 is: 11,628,474,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,629,646.94 : 20,976,868,579.32 = 8,426,431,060.56 : x
  2. Step 2: Convert to fraction form
    15,200,629,646.94/20,976,868,579.32 = 8,426,431,060.56/x
  3. Step 3: Cross multiply
    15,200,629,646.94x = 20,976,868,579.32 × 8,426,431,060.56
  4. Step 4: Simplify right side
    15,200,629,646.94x = 176,760,136,950,067,167,232
  5. Step 5: Solve for x
    x = 176,760,136,950,067,167,232/15,200,629,646.94
  6. Step 6: Final answer
    x = 11,628,474,678.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.