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Finding the Fourth Proportional to 579,274,092,004.80, 868,911,138,007.20 and 579,274,092,004.80

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Solution

The fourth proportional to 579,274,092,004.80, 868,911,138,007.20 and 579,274,092,004.80 is: 868,911,138,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,274,092,004.80 : 868,911,138,007.20 = 579,274,092,004.80 : x
  2. Step 2: Convert to fraction form
    579,274,092,004.80/868,911,138,007.20 = 579,274,092,004.80/x
  3. Step 3: Cross multiply
    579,274,092,004.80x = 868,911,138,007.20 × 579,274,092,004.80
  4. Step 4: Simplify right side
    579,274,092,004.80x = 503,337,710,501,978,236,256,256
  5. Step 5: Solve for x
    x = 503,337,710,501,978,236,256,256/579,274,092,004.80
  6. Step 6: Final answer
    x = 868,911,138,007.20

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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.