Home / 623,958,376.36-861,052,043.94-345,493,919.56

Finding the Fourth Proportional to 623,958,376.36, 861,052,043.94 and 345,493,919.56

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Solution

The fourth proportional to 623,958,376.36, 861,052,043.94 and 345,493,919.56 is: 476,775,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,958,376.36 : 861,052,043.94 = 345,493,919.56 : x
  2. Step 2: Convert to fraction form
    623,958,376.36/861,052,043.94 = 345,493,919.56/x
  3. Step 3: Cross multiply
    623,958,376.36x = 861,052,043.94 × 345,493,919.56
  4. Step 4: Simplify right side
    623,958,376.36x = 297,488,245,605,979,968
  5. Step 5: Solve for x
    x = 297,488,245,605,979,968/623,958,376.36
  6. Step 6: Final answer
    x = 476,775,786.46

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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.