Home / 13,422,120,186.64-18,523,352,618.54-7,400,606,969.12

Finding the Fourth Proportional to 13,422,120,186.64, 18,523,352,618.54 and 7,400,606,969.12

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Solution

The fourth proportional to 13,422,120,186.64, 18,523,352,618.54 and 7,400,606,969.12 is: 10,213,293,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,120,186.64 : 18,523,352,618.54 = 7,400,606,969.12 : x
  2. Step 2: Convert to fraction form
    13,422,120,186.64/18,523,352,618.54 = 7,400,606,969.12/x
  3. Step 3: Cross multiply
    13,422,120,186.64x = 18,523,352,618.54 × 7,400,606,969.12
  4. Step 4: Simplify right side
    13,422,120,186.64x = 137,084,052,480,234,323,968
  5. Step 5: Solve for x
    x = 137,084,052,480,234,323,968/13,422,120,186.64
  6. Step 6: Final answer
    x = 10,213,293,471.82

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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.