Home / 13,055,575,078.44-18,016,754,620.32-7,417,100,328.12

Finding the Fourth Proportional to 13,055,575,078.44, 18,016,754,620.32 and 7,417,100,328.12

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Solution

The fourth proportional to 13,055,575,078.44, 18,016,754,620.32 and 7,417,100,328.12 is: 10,235,633,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,575,078.44 : 18,016,754,620.32 = 7,417,100,328.12 : x
  2. Step 2: Convert to fraction form
    13,055,575,078.44/18,016,754,620.32 = 7,417,100,328.12/x
  3. Step 3: Cross multiply
    13,055,575,078.44x = 18,016,754,620.32 × 7,417,100,328.12
  4. Step 4: Simplify right side
    13,055,575,078.44x = 133,632,076,606,032,986,112
  5. Step 5: Solve for x
    x = 133,632,076,606,032,986,112/13,055,575,078.44
  6. Step 6: Final answer
    x = 10,235,633,114.83

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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.