Home / 513,987,840,791.61-709,309,647,706.23-282,526,630,881.91

Finding the Fourth Proportional to 513,987,840,791.61, 709,309,647,706.23 and 282,526,630,881.91

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Solution

The fourth proportional to 513,987,840,791.61, 709,309,647,706.23 and 282,526,630,881.91 is: 389,890,283,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,987,840,791.61 : 709,309,647,706.23 = 282,526,630,881.91 : x
  2. Step 2: Convert to fraction form
    513,987,840,791.61/709,309,647,706.23 = 282,526,630,881.91/x
  3. Step 3: Cross multiply
    513,987,840,791.61x = 709,309,647,706.23 × 282,526,630,881.91
  4. Step 4: Simplify right side
    513,987,840,791.61x = 200,398,865,018,475,654,414,336
  5. Step 5: Solve for x
    x = 200,398,865,018,475,654,414,336/513,987,840,791.61
  6. Step 6: Final answer
    x = 389,890,283,610.28

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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.