Home / 298,910,873.09-412,445,914.47-173,434,303.24

Finding the Fourth Proportional to 298,910,873.09, 412,445,914.47 and 173,434,303.24

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Solution

The fourth proportional to 298,910,873.09, 412,445,914.47 and 173,434,303.24 is: 239,309,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,910,873.09 : 412,445,914.47 = 173,434,303.24 : x
  2. Step 2: Convert to fraction form
    298,910,873.09/412,445,914.47 = 173,434,303.24/x
  3. Step 3: Cross multiply
    298,910,873.09x = 412,445,914.47 × 173,434,303.24
  4. Step 4: Simplify right side
    298,910,873.09x = 71,532,269,799,257,976
  5. Step 5: Solve for x
    x = 71,532,269,799,257,976/298,910,873.09
  6. Step 6: Final answer
    x = 239,309,694.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.