Home / 412,554,725.84-618,902,591.16-170,085,083.60

Finding the Fourth Proportional to 412,554,725.84, 618,902,591.16 and 170,085,083.60

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Solution

The fourth proportional to 412,554,725.84, 618,902,591.16 and 170,085,083.60 is: 255,156,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,554,725.84 : 618,902,591.16 = 170,085,083.60 : x
  2. Step 2: Convert to fraction form
    412,554,725.84/618,902,591.16 = 170,085,083.60/x
  3. Step 3: Cross multiply
    412,554,725.84x = 618,902,591.16 × 170,085,083.60
  4. Step 4: Simplify right side
    412,554,725.84x = 105,266,098,957,705,216
  5. Step 5: Solve for x
    x = 105,266,098,957,705,216/412,554,725.84
  6. Step 6: Final answer
    x = 255,156,691.62

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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.