Home / 524,607,220.80-786,280,975.20-217,741,377.60

Finding the Fourth Proportional to 524,607,220.80, 786,280,975.20 and 217,741,377.60

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Solution

The fourth proportional to 524,607,220.80, 786,280,975.20 and 217,741,377.60 is: 326,350,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,607,220.80 : 786,280,975.20 = 217,741,377.60 : x
  2. Step 2: Convert to fraction form
    524,607,220.80/786,280,975.20 = 217,741,377.60/x
  3. Step 3: Cross multiply
    524,607,220.80x = 786,280,975.20 × 217,741,377.60
  4. Step 4: Simplify right side
    524,607,220.80x = 171,205,902,720,719,456
  5. Step 5: Solve for x
    x = 171,205,902,720,719,456/524,607,220.80
  6. Step 6: Final answer
    x = 326,350,640.88

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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.