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Finding the Fourth Proportional to 6,620,054,614,927.80, 9,930,081,922,390.80 and 6,620,054,614,927.80

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Solution

The fourth proportional to 6,620,054,614,927.80, 9,930,081,922,390.80 and 6,620,054,614,927.80 is: 9,930,081,922,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,054,614,927.80 : 9,930,081,922,390.80 = 6,620,054,614,927.80 : x
  2. Step 2: Convert to fraction form
    6,620,054,614,927.80/9,930,081,922,390.80 = 6,620,054,614,927.80/x
  3. Step 3: Cross multiply
    6,620,054,614,927.80x = 9,930,081,922,390.80 × 6,620,054,614,927.80
  4. Step 4: Simplify right side
    6,620,054,614,927.80x = 65,737,684,656,934,338,871,427,072
  5. Step 5: Solve for x
    x = 65,737,684,656,934,338,871,427,072/6,620,054,614,927.80
  6. Step 6: Final answer
    x = 9,930,081,922,390.80

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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.