Home / 3,978,730,461.18-5,490,551,850.48-2,194,545,597.06

Finding the Fourth Proportional to 3,978,730,461.18, 5,490,551,850.48 and 2,194,545,597.06

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Solution

The fourth proportional to 3,978,730,461.18, 5,490,551,850.48 and 2,194,545,597.06 is: 3,028,419,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,730,461.18 : 5,490,551,850.48 = 2,194,545,597.06 : x
  2. Step 2: Convert to fraction form
    3,978,730,461.18/5,490,551,850.48 = 2,194,545,597.06/x
  3. Step 3: Cross multiply
    3,978,730,461.18x = 5,490,551,850.48 × 2,194,545,597.06
  4. Step 4: Simplify right side
    3,978,730,461.18x = 12,049,266,388,900,517,888
  5. Step 5: Solve for x
    x = 12,049,266,388,900,517,888/3,978,730,461.18
  6. Step 6: Final answer
    x = 3,028,419,870.73

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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.