Home / 352,512,148.80-528,768,223.20-256,960,660.80

Finding the Fourth Proportional to 352,512,148.80, 528,768,223.20 and 256,960,660.80

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Solution

The fourth proportional to 352,512,148.80, 528,768,223.20 and 256,960,660.80 is: 385,440,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,148.80 : 528,768,223.20 = 256,960,660.80 : x
  2. Step 2: Convert to fraction form
    352,512,148.80/528,768,223.20 = 256,960,660.80/x
  3. Step 3: Cross multiply
    352,512,148.80x = 528,768,223.20 × 256,960,660.80
  4. Step 4: Simplify right side
    352,512,148.80x = 135,872,632,043,513,888
  5. Step 5: Solve for x
    x = 135,872,632,043,513,888/352,512,148.80
  6. Step 6: Final answer
    x = 385,440,991.20

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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.