Home / 352,256,940.80-528,385,411.20-326,747,772.80

Finding the Fourth Proportional to 352,256,940.80, 528,385,411.20 and 326,747,772.80

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Solution

The fourth proportional to 352,256,940.80, 528,385,411.20 and 326,747,772.80 is: 490,121,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,256,940.80 : 528,385,411.20 = 326,747,772.80 : x
  2. Step 2: Convert to fraction form
    352,256,940.80/528,385,411.20 = 326,747,772.80/x
  3. Step 3: Cross multiply
    352,256,940.80x = 528,385,411.20 × 326,747,772.80
  4. Step 4: Simplify right side
    352,256,940.80x = 172,648,756,289,612,192
  5. Step 5: Solve for x
    x = 172,648,756,289,612,192/352,256,940.80
  6. Step 6: Final answer
    x = 490,121,659.20

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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.