Home / 20,051,914,040.19-30,078,870,125.69-7,631,207,257.95

Finding the Fourth Proportional to 20,051,914,040.19, 30,078,870,125.69 and 7,631,207,257.95

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Solution

The fourth proportional to 20,051,914,040.19, 30,078,870,125.69 and 7,631,207,257.95 is: 11,447,191,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051,914,040.19 : 30,078,870,125.69 = 7,631,207,257.95 : x
  2. Step 2: Convert to fraction form
    20,051,914,040.19/30,078,870,125.69 = 7,631,207,257.95/x
  3. Step 3: Cross multiply
    20,051,914,040.19x = 30,078,870,125.69 × 7,631,207,257.95
  4. Step 4: Simplify right side
    20,051,914,040.19x = 229,538,092,014,108,606,464
  5. Step 5: Solve for x
    x = 229,538,092,014,108,606,464/20,051,914,040.19
  6. Step 6: Final answer
    x = 11,447,191,103.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.