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Finding the Fourth Proportional to 580,085,846.80, 868,853,311.80 and 503,558,342.80

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Solution

The fourth proportional to 580,085,846.80, 868,853,311.80 and 503,558,342.80 is: 754,230,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,085,846.80 : 868,853,311.80 = 503,558,342.80 : x
  2. Step 2: Convert to fraction form
    580,085,846.80/868,853,311.80 = 503,558,342.80/x
  3. Step 3: Cross multiply
    580,085,846.80x = 868,853,311.80 × 503,558,342.80
  4. Step 4: Simplify right side
    580,085,846.80x = 437,518,333,826,299,648
  5. Step 5: Solve for x
    x = 437,518,333,826,299,648/580,085,846.80
  6. Step 6: Final answer
    x = 754,230,319.94

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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.