Home / 623,958,375.36-861,052,042.56-345,493,918.56

Finding the Fourth Proportional to 623,958,375.36, 861,052,042.56 and 345,493,918.56

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Solution

The fourth proportional to 623,958,375.36, 861,052,042.56 and 345,493,918.56 is: 476,775,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,958,375.36 : 861,052,042.56 = 345,493,918.56 : x
  2. Step 2: Convert to fraction form
    623,958,375.36/861,052,042.56 = 345,493,918.56/x
  3. Step 3: Cross multiply
    623,958,375.36x = 861,052,042.56 × 345,493,918.56
  4. Step 4: Simplify right side
    623,958,375.36x = 297,488,244,268,146,304
  5. Step 5: Solve for x
    x = 297,488,244,268,146,304/623,958,375.36
  6. Step 6: Final answer
    x = 476,775,785.08

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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.