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Finding the Fourth Proportional to 503,449,343,999.65, 755,174,015,999.50 and 503,449,343,999.65

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Solution

The fourth proportional to 503,449,343,999.65, 755,174,015,999.50 and 503,449,343,999.65 is: 755,174,015,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,449,343,999.65 : 755,174,015,999.50 = 503,449,343,999.65 : x
  2. Step 2: Convert to fraction form
    503,449,343,999.65/755,174,015,999.50 = 503,449,343,999.65/x
  3. Step 3: Cross multiply
    503,449,343,999.65x = 755,174,015,999.50 × 503,449,343,999.65
  4. Step 4: Simplify right side
    503,449,343,999.65x = 380,191,862,960,529,480,876,032
  5. Step 5: Solve for x
    x = 380,191,862,960,529,480,876,032/503,449,343,999.65
  6. Step 6: Final answer
    x = 755,174,015,999.50

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Double scale
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Similar ratio
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1.5x scale

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.