Home / 489,506,736.96-675,494,998.56-269,485,439.04

Finding the Fourth Proportional to 489,506,736.96, 675,494,998.56 and 269,485,439.04

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Solution

The fourth proportional to 489,506,736.96, 675,494,998.56 and 269,485,439.04 is: 371,876,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,506,736.96 : 675,494,998.56 = 269,485,439.04 : x
  2. Step 2: Convert to fraction form
    489,506,736.96/675,494,998.56 = 269,485,439.04/x
  3. Step 3: Cross multiply
    489,506,736.96x = 675,494,998.56 × 269,485,439.04
  4. Step 4: Simplify right side
    489,506,736.96x = 182,036,066,256,265,760
  5. Step 5: Solve for x
    x = 182,036,066,256,265,760/489,506,736.96
  6. Step 6: Final answer
    x = 371,876,528.99

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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.