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Finding the Fourth Proportional to 503,449,344,002.80, 755,174,016,004.20 and 503,449,344,002.80

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Solution

The fourth proportional to 503,449,344,002.80, 755,174,016,004.20 and 503,449,344,002.80 is: 755,174,016,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,449,344,002.80 : 755,174,016,004.20 = 503,449,344,002.80 : x
  2. Step 2: Convert to fraction form
    503,449,344,002.80/755,174,016,004.20 = 503,449,344,002.80/x
  3. Step 3: Cross multiply
    503,449,344,002.80x = 755,174,016,004.20 × 503,449,344,002.80
  4. Step 4: Simplify right side
    503,449,344,002.80x = 380,191,862,965,274,413,105,152
  5. Step 5: Solve for x
    x = 380,191,862,965,274,413,105,152/503,449,344,002.80
  6. Step 6: Final answer
    x = 755,174,016,004.20

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Double scale
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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.