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Finding the Fourth Proportional to 18,578,311,054.85, 27,867,466,582.28 and 18,578,311,054.85

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Solution

The fourth proportional to 18,578,311,054.85, 27,867,466,582.28 and 18,578,311,054.85 is: 27,867,466,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,311,054.85 : 27,867,466,582.28 = 18,578,311,054.85 : x
  2. Step 2: Convert to fraction form
    18,578,311,054.85/27,867,466,582.28 = 18,578,311,054.85/x
  3. Step 3: Cross multiply
    18,578,311,054.85x = 27,867,466,582.28 × 18,578,311,054.85
  4. Step 4: Simplify right side
    18,578,311,054.85x = 517,730,462,476,142,575,616
  5. Step 5: Solve for x
    x = 517,730,462,476,142,575,616/18,578,311,054.85
  6. Step 6: Final answer
    x = 27,867,466,582.28

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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.