Home / 20,946,520,382.94-28,906,190,493.30-11,431,072,155.06

Finding the Fourth Proportional to 20,946,520,382.94, 28,906,190,493.30 and 11,431,072,155.06

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Solution

The fourth proportional to 20,946,520,382.94, 28,906,190,493.30 and 11,431,072,155.06 is: 15,774,875,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,520,382.94 : 28,906,190,493.30 = 11,431,072,155.06 : x
  2. Step 2: Convert to fraction form
    20,946,520,382.94/28,906,190,493.30 = 11,431,072,155.06/x
  3. Step 3: Cross multiply
    20,946,520,382.94x = 28,906,190,493.30 × 11,431,072,155.06
  4. Step 4: Simplify right side
    20,946,520,382.94x = 330,428,749,256,821,702,656
  5. Step 5: Solve for x
    x = 330,428,749,256,821,702,656/20,946,520,382.94
  6. Step 6: Final answer
    x = 15,774,875,407.27

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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.