Home / 352,512,080.80-528,768,121.20-256,960,592.80

Finding the Fourth Proportional to 352,512,080.80, 528,768,121.20 and 256,960,592.80

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Solution

The fourth proportional to 352,512,080.80, 528,768,121.20 and 256,960,592.80 is: 385,440,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,080.80 : 528,768,121.20 = 256,960,592.80 : x
  2. Step 2: Convert to fraction form
    352,512,080.80/528,768,121.20 = 256,960,592.80/x
  3. Step 3: Cross multiply
    352,512,080.80x = 528,768,121.20 × 256,960,592.80
  4. Step 4: Simplify right side
    352,512,080.80x = 135,872,569,877,294,256
  5. Step 5: Solve for x
    x = 135,872,569,877,294,256/352,512,080.80
  6. Step 6: Final answer
    x = 385,440,889.20

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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.