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Finding the Fourth Proportional to 74,272,428,604.80, 111,408,642,907.20 and 74,272,428,604.80

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Solution

The fourth proportional to 74,272,428,604.80, 111,408,642,907.20 and 74,272,428,604.80 is: 111,408,642,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,272,428,604.80 : 111,408,642,907.20 = 74,272,428,604.80 : x
  2. Step 2: Convert to fraction form
    74,272,428,604.80/111,408,642,907.20 = 74,272,428,604.80/x
  3. Step 3: Cross multiply
    74,272,428,604.80x = 111,408,642,907.20 × 74,272,428,604.80
  4. Step 4: Simplify right side
    74,272,428,604.80x = 8,274,590,476,282,670,088,192
  5. Step 5: Solve for x
    x = 8,274,590,476,282,670,088,192/74,272,428,604.80
  6. Step 6: Final answer
    x = 111,408,642,907.20

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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.