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Finding the Fourth Proportional to 503,449,344,000.55, 755,174,016,000.80 and 503,449,344,000.55

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Solution

The fourth proportional to 503,449,344,000.55, 755,174,016,000.80 and 503,449,344,000.55 is: 755,174,016,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,449,344,000.55 : 755,174,016,000.80 = 503,449,344,000.55 : x
  2. Step 2: Convert to fraction form
    503,449,344,000.55/755,174,016,000.80 = 503,449,344,000.55/x
  3. Step 3: Cross multiply
    503,449,344,000.55x = 755,174,016,000.80 × 503,449,344,000.55
  4. Step 4: Simplify right side
    503,449,344,000.55x = 380,191,862,961,863,605,092,352
  5. Step 5: Solve for x
    x = 380,191,862,961,863,605,092,352/503,449,344,000.55
  6. Step 6: Final answer
    x = 755,174,016,000.80

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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.