Home / 1,418,850,209.45-1,958,934,610.91-1,269,913,409.93

Finding the Fourth Proportional to 1,418,850,209.45, 1,958,934,610.91 and 1,269,913,409.93

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Solution

The fourth proportional to 1,418,850,209.45, 1,958,934,610.91 and 1,269,913,409.93 is: 1,753,305,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,850,209.45 : 1,958,934,610.91 = 1,269,913,409.93 : x
  2. Step 2: Convert to fraction form
    1,418,850,209.45/1,958,934,610.91 = 1,269,913,409.93/x
  3. Step 3: Cross multiply
    1,418,850,209.45x = 1,958,934,610.91 × 1,269,913,409.93
  4. Step 4: Simplify right side
    1,418,850,209.45x = 2,487,677,331,570,616,320
  5. Step 5: Solve for x
    x = 2,487,677,331,570,616,320/1,418,850,209.45
  6. Step 6: Final answer
    x = 1,753,305,116.36

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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.