Home / 3,895,894,431.52-5,376,190,280.97-2,111,709,577.56

Finding the Fourth Proportional to 3,895,894,431.52, 5,376,190,280.97 and 2,111,709,577.56

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Solution

The fourth proportional to 3,895,894,431.52, 5,376,190,280.97 and 2,111,709,577.56 is: 2,914,081,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,894,431.52 : 5,376,190,280.97 = 2,111,709,577.56 : x
  2. Step 2: Convert to fraction form
    3,895,894,431.52/5,376,190,280.97 = 2,111,709,577.56/x
  3. Step 3: Cross multiply
    3,895,894,431.52x = 5,376,190,280.97 × 2,111,709,577.56
  4. Step 4: Simplify right side
    3,895,894,431.52x = 11,352,952,507,115,212,800
  5. Step 5: Solve for x
    x = 11,352,952,507,115,212,800/3,895,894,431.52
  6. Step 6: Final answer
    x = 2,914,081,145.34

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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.