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Finding the Fourth Proportional to 74,669,619,168.30, 112,004,428,752.45 and 74,669,619,168.30

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Solution

The fourth proportional to 74,669,619,168.30, 112,004,428,752.45 and 74,669,619,168.30 is: 112,004,428,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,619,168.30 : 112,004,428,752.45 = 74,669,619,168.30 : x
  2. Step 2: Convert to fraction form
    74,669,619,168.30/112,004,428,752.45 = 74,669,619,168.30/x
  3. Step 3: Cross multiply
    74,669,619,168.30x = 112,004,428,752.45 × 74,669,619,168.30
  4. Step 4: Simplify right side
    74,669,619,168.30x = 8,363,328,040,108,432,556,032
  5. Step 5: Solve for x
    x = 8,363,328,040,108,432,556,032/74,669,619,168.30
  6. Step 6: Final answer
    x = 112,004,428,752.45

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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.