Home / 2,168,909,982.90-2,993,158,914.22-1,229,081,374.98

Finding the Fourth Proportional to 2,168,909,982.90, 2,993,158,914.22 and 1,229,081,374.98

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Solution

The fourth proportional to 2,168,909,982.90, 2,993,158,914.22 and 1,229,081,374.98 is: 1,696,168,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,909,982.90 : 2,993,158,914.22 = 1,229,081,374.98 : x
  2. Step 2: Convert to fraction form
    2,168,909,982.90/2,993,158,914.22 = 1,229,081,374.98/x
  3. Step 3: Cross multiply
    2,168,909,982.90x = 2,993,158,914.22 × 1,229,081,374.98
  4. Step 4: Simplify right side
    2,168,909,982.90x = 3,678,835,873,823,161,344
  5. Step 5: Solve for x
    x = 3,678,835,873,823,161,344/2,168,909,982.90
  6. Step 6: Final answer
    x = 1,696,168,076.51

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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.