Home / 338,195,220.30-507,292,830.45-209,055,057.30

Finding the Fourth Proportional to 338,195,220.30, 507,292,830.45 and 209,055,057.30

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Solution

The fourth proportional to 338,195,220.30, 507,292,830.45 and 209,055,057.30 is: 313,582,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,195,220.30 : 507,292,830.45 = 209,055,057.30 : x
  2. Step 2: Convert to fraction form
    338,195,220.30/507,292,830.45 = 209,055,057.30/x
  3. Step 3: Cross multiply
    338,195,220.30x = 507,292,830.45 × 209,055,057.30
  4. Step 4: Simplify right side
    338,195,220.30x = 106,052,131,737,603,936
  5. Step 5: Solve for x
    x = 106,052,131,737,603,936/338,195,220.30
  6. Step 6: Final answer
    x = 313,582,585.95

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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.