Home / 352,080,023.20-528,120,034.80-320,335,280.80

Finding the Fourth Proportional to 352,080,023.20, 528,120,034.80 and 320,335,280.80

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Solution

The fourth proportional to 352,080,023.20, 528,120,034.80 and 320,335,280.80 is: 480,502,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,080,023.20 : 528,120,034.80 = 320,335,280.80 : x
  2. Step 2: Convert to fraction form
    352,080,023.20/528,120,034.80 = 320,335,280.80/x
  3. Step 3: Cross multiply
    352,080,023.20x = 528,120,034.80 × 320,335,280.80
  4. Step 4: Simplify right side
    352,080,023.20x = 169,175,479,643,763,776
  5. Step 5: Solve for x
    x = 169,175,479,643,763,776/352,080,023.20
  6. Step 6: Final answer
    x = 480,502,921.20

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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.