Home / 445,560,945.18-668,340,499.05-251,384,213.58

Finding the Fourth Proportional to 445,560,945.18, 668,340,499.05 and 251,384,213.58

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Solution

The fourth proportional to 445,560,945.18, 668,340,499.05 and 251,384,213.58 is: 377,075,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,560,945.18 : 668,340,499.05 = 251,384,213.58 : x
  2. Step 2: Convert to fraction form
    445,560,945.18/668,340,499.05 = 251,384,213.58/x
  3. Step 3: Cross multiply
    445,560,945.18x = 668,340,499.05 × 251,384,213.58
  4. Step 4: Simplify right side
    445,560,945.18x = 168,010,250,757,348,992
  5. Step 5: Solve for x
    x = 168,010,250,757,348,992/445,560,945.18
  6. Step 6: Final answer
    x = 377,075,802.03

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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.