Home / 281,268,675.72-421,813,575-262,906,840.17

Finding the Fourth Proportional to 281,268,675.72, 421,813,575 and 262,906,840.17

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Solution

The fourth proportional to 281,268,675.72, 421,813,575 and 262,906,840.17 is: 394,276,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,268,675.72 : 421,813,575 = 262,906,840.17 : x
  2. Step 2: Convert to fraction form
    281,268,675.72/421,813,575 = 262,906,840.17/x
  3. Step 3: Cross multiply
    281,268,675.72x = 421,813,575 × 262,906,840.17
  4. Step 4: Simplify right side
    281,268,675.72x = 110,897,674,144,061,296
  5. Step 5: Solve for x
    x = 110,897,674,144,061,296/281,268,675.72
  6. Step 6: Final answer
    x = 394,276,660.42

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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.