Home / 1,389,092,452.45-1,914,298,380.89-1,363,560,366.06

Finding the Fourth Proportional to 1,389,092,452.45, 1,914,298,380.89 and 1,363,560,366.06

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Solution

The fourth proportional to 1,389,092,452.45, 1,914,298,380.89 and 1,363,560,366.06 is: 1,879,112,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,092,452.45 : 1,914,298,380.89 = 1,363,560,366.06 : x
  2. Step 2: Convert to fraction form
    1,389,092,452.45/1,914,298,380.89 = 1,363,560,366.06/x
  3. Step 3: Cross multiply
    1,389,092,452.45x = 1,914,298,380.89 × 1,363,560,366.06
  4. Step 4: Simplify right side
    1,389,092,452.45x = 2,610,261,400,983,611,392
  5. Step 5: Solve for x
    x = 2,610,261,400,983,611,392/1,389,092,452.45
  6. Step 6: Final answer
    x = 1,879,112,795.11

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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.