Home / 690,947,794.46-1,036,831,233.36-254,554,685.16

Finding the Fourth Proportional to 690,947,794.46, 1,036,831,233.36 and 254,554,685.16

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Solution

The fourth proportional to 690,947,794.46, 1,036,831,233.36 and 254,554,685.16 is: 381,982,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,947,794.46 : 1,036,831,233.36 = 254,554,685.16 : x
  2. Step 2: Convert to fraction form
    690,947,794.46/1,036,831,233.36 = 254,554,685.16/x
  3. Step 3: Cross multiply
    690,947,794.46x = 1,036,831,233.36 × 254,554,685.16
  4. Step 4: Simplify right side
    690,947,794.46x = 263,930,248,172,951,136
  5. Step 5: Solve for x
    x = 263,930,248,172,951,136/690,947,794.46
  6. Step 6: Final answer
    x = 381,982,908.53

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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.