Home / 658,404,371.62-987,360,495.63-264,798,345.36

Finding the Fourth Proportional to 658,404,371.62, 987,360,495.63 and 264,798,345.36

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Solution

The fourth proportional to 658,404,371.62, 987,360,495.63 and 264,798,345.36 is: 397,098,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,404,371.62 : 987,360,495.63 = 264,798,345.36 : x
  2. Step 2: Convert to fraction form
    658,404,371.62/987,360,495.63 = 264,798,345.36/x
  3. Step 3: Cross multiply
    658,404,371.62x = 987,360,495.63 × 264,798,345.36
  4. Step 4: Simplify right side
    658,404,371.62x = 261,451,425,516,653,536
  5. Step 5: Solve for x
    x = 261,451,425,516,653,536/658,404,371.62
  6. Step 6: Final answer
    x = 397,098,556.43

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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.