Home / 333,548,392.97-500,320,070.28-100,378,101.11

Finding the Fourth Proportional to 333,548,392.97, 500,320,070.28 and 100,378,101.11

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Solution

The fourth proportional to 333,548,392.97, 500,320,070.28 and 100,378,101.11 is: 150,566,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,548,392.97 : 500,320,070.28 = 100,378,101.11 : x
  2. Step 2: Convert to fraction form
    333,548,392.97/500,320,070.28 = 100,378,101.11/x
  3. Step 3: Cross multiply
    333,548,392.97x = 500,320,070.28 × 100,378,101.11
  4. Step 4: Simplify right side
    333,548,392.97x = 50,221,178,599,426,544
  5. Step 5: Solve for x
    x = 50,221,178,599,426,544/333,548,392.97
  6. Step 6: Final answer
    x = 150,566,393.54

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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.