Home / 352,512,076.80-528,768,115.20-256,960,588.80

Finding the Fourth Proportional to 352,512,076.80, 528,768,115.20 and 256,960,588.80

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Solution

The fourth proportional to 352,512,076.80, 528,768,115.20 and 256,960,588.80 is: 385,440,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,076.80 : 528,768,115.20 = 256,960,588.80 : x
  2. Step 2: Convert to fraction form
    352,512,076.80/528,768,115.20 = 256,960,588.80/x
  3. Step 3: Cross multiply
    352,512,076.80x = 528,768,115.20 × 256,960,588.80
  4. Step 4: Simplify right side
    352,512,076.80x = 135,872,566,220,458,240
  5. Step 5: Solve for x
    x = 135,872,566,220,458,240/352,512,076.80
  6. Step 6: Final answer
    x = 385,440,883.20

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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.