Home / 1,110,287,468.72-1,665,418,363.51-269,934,972.35

Finding the Fourth Proportional to 1,110,287,468.72, 1,665,418,363.51 and 269,934,972.35

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Solution

The fourth proportional to 1,110,287,468.72, 1,665,418,363.51 and 269,934,972.35 is: 404,899,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,287,468.72 : 1,665,418,363.51 = 269,934,972.35 : x
  2. Step 2: Convert to fraction form
    1,110,287,468.72/1,665,418,363.51 = 269,934,972.35/x
  3. Step 3: Cross multiply
    1,110,287,468.72x = 1,665,418,363.51 × 269,934,972.35
  4. Step 4: Simplify right side
    1,110,287,468.72x = 449,554,659,905,254,144
  5. Step 5: Solve for x
    x = 449,554,659,905,254,144/1,110,287,468.72
  6. Step 6: Final answer
    x = 404,899,336.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.