Home / 21,250,949,157-29,326,320,969.54-11,605,811,168.16

Finding the Fourth Proportional to 21,250,949,157, 29,326,320,969.54 and 11,605,811,168.16

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Solution

The fourth proportional to 21,250,949,157, 29,326,320,969.54 and 11,605,811,168.16 is: 16,016,025,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250,949,157 : 29,326,320,969.54 = 11,605,811,168.16 : x
  2. Step 2: Convert to fraction form
    21,250,949,157/29,326,320,969.54 = 11,605,811,168.16/x
  3. Step 3: Cross multiply
    21,250,949,157x = 29,326,320,969.54 × 11,605,811,168.16
  4. Step 4: Simplify right side
    21,250,949,157x = 340,355,743,429,366,906,880
  5. Step 5: Solve for x
    x = 340,355,743,429,366,906,880/21,250,949,157
  6. Step 6: Final answer
    x = 16,016,025,492.08

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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.