Home / 13,262,843,242.56-18,304,328,632.84-7,548,517,099.28

Finding the Fourth Proportional to 13,262,843,242.56, 18,304,328,632.84 and 7,548,517,099.28

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Solution

The fourth proportional to 13,262,843,242.56, 18,304,328,632.84 and 7,548,517,099.28 is: 10,417,867,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,843,242.56 : 18,304,328,632.84 = 7,548,517,099.28 : x
  2. Step 2: Convert to fraction form
    13,262,843,242.56/18,304,328,632.84 = 7,548,517,099.28/x
  3. Step 3: Cross multiply
    13,262,843,242.56x = 18,304,328,632.84 × 7,548,517,099.28
  4. Step 4: Simplify right side
    13,262,843,242.56x = 138,170,537,675,833,245,696
  5. Step 5: Solve for x
    x = 138,170,537,675,833,245,696/13,262,843,242.56
  6. Step 6: Final answer
    x = 10,417,867,055.27

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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.