Home / 352,187,998.20-528,281,997.30-313,445,949.30

Finding the Fourth Proportional to 352,187,998.20, 528,281,997.30 and 313,445,949.30

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Solution

The fourth proportional to 352,187,998.20, 528,281,997.30 and 313,445,949.30 is: 470,168,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,187,998.20 : 528,281,997.30 = 313,445,949.30 : x
  2. Step 2: Convert to fraction form
    352,187,998.20/528,281,997.30 = 313,445,949.30/x
  3. Step 3: Cross multiply
    352,187,998.20x = 528,281,997.30 × 313,445,949.30
  4. Step 4: Simplify right side
    352,187,998.20x = 165,587,852,141,798,560
  5. Step 5: Solve for x
    x = 165,587,852,141,798,560/352,187,998.20
  6. Step 6: Final answer
    x = 470,168,923.95

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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.