Home / 338,976,003.80-508,464,005.70-262,448,499.80

Finding the Fourth Proportional to 338,976,003.80, 508,464,005.70 and 262,448,499.80

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Solution

The fourth proportional to 338,976,003.80, 508,464,005.70 and 262,448,499.80 is: 393,672,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,976,003.80 : 508,464,005.70 = 262,448,499.80 : x
  2. Step 2: Convert to fraction form
    338,976,003.80/508,464,005.70 = 262,448,499.80/x
  3. Step 3: Cross multiply
    338,976,003.80x = 508,464,005.70 × 262,448,499.80
  4. Step 4: Simplify right side
    338,976,003.80x = 133,445,615,498,263,648
  5. Step 5: Solve for x
    x = 133,445,615,498,263,648/338,976,003.80
  6. Step 6: Final answer
    x = 393,672,749.70

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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.