Home / 357,106,906.80-535,660,360.20-320,827,201.20

Finding the Fourth Proportional to 357,106,906.80, 535,660,360.20 and 320,827,201.20

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Solution

The fourth proportional to 357,106,906.80, 535,660,360.20 and 320,827,201.20 is: 481,240,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,106,906.80 : 535,660,360.20 = 320,827,201.20 : x
  2. Step 2: Convert to fraction form
    357,106,906.80/535,660,360.20 = 320,827,201.20/x
  3. Step 3: Cross multiply
    357,106,906.80x = 535,660,360.20 × 320,827,201.20
  4. Step 4: Simplify right side
    357,106,906.80x = 171,854,414,156,749,856
  5. Step 5: Solve for x
    x = 171,854,414,156,749,856/357,106,906.80
  6. Step 6: Final answer
    x = 481,240,801.80

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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.