Home / 658,404,370.62-987,360,494.13-264,798,344.36

Finding the Fourth Proportional to 658,404,370.62, 987,360,494.13 and 264,798,344.36

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Solution

The fourth proportional to 658,404,370.62, 987,360,494.13 and 264,798,344.36 is: 397,098,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,404,370.62 : 987,360,494.13 = 264,798,344.36 : x
  2. Step 2: Convert to fraction form
    658,404,370.62/987,360,494.13 = 264,798,344.36/x
  3. Step 3: Cross multiply
    658,404,370.62x = 987,360,494.13 × 264,798,344.36
  4. Step 4: Simplify right side
    658,404,370.62x = 261,451,424,134,563,904
  5. Step 5: Solve for x
    x = 261,451,424,134,563,904/658,404,370.62
  6. Step 6: Final answer
    x = 397,098,554.93

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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.