Home / 13,799,065,971.25-20,702,082,257.38-3,850,501,326.11

Finding the Fourth Proportional to 13,799,065,971.25, 20,702,082,257.38 and 3,850,501,326.11

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Solution

The fourth proportional to 13,799,065,971.25, 20,702,082,257.38 and 3,850,501,326.11 is: 5,776,723,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,065,971.25 : 20,702,082,257.38 = 3,850,501,326.11 : x
  2. Step 2: Convert to fraction form
    13,799,065,971.25/20,702,082,257.38 = 3,850,501,326.11/x
  3. Step 3: Cross multiply
    13,799,065,971.25x = 20,702,082,257.38 × 3,850,501,326.11
  4. Step 4: Simplify right side
    13,799,065,971.25x = 79,713,395,185,176,494,080
  5. Step 5: Solve for x
    x = 79,713,395,185,176,494,080/13,799,065,971.25
  6. Step 6: Final answer
    x = 5,776,723,971.85

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Why These Related Problems?

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