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Finding the Fourth Proportional to 903,473,999.80, 1,352,660,082.90 and 903,473,999.80

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Solution

The fourth proportional to 903,473,999.80, 1,352,660,082.90 and 903,473,999.80 is: 1,352,660,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,473,999.80 : 1,352,660,082.90 = 903,473,999.80 : x
  2. Step 2: Convert to fraction form
    903,473,999.80/1,352,660,082.90 = 903,473,999.80/x
  3. Step 3: Cross multiply
    903,473,999.80x = 1,352,660,082.90 × 903,473,999.80
  4. Step 4: Simplify right side
    903,473,999.80x = 1,222,093,215,467,462,656
  5. Step 5: Solve for x
    x = 1,222,093,215,467,462,656/903,473,999.80
  6. Step 6: Final answer
    x = 1,352,660,082.90

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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.