Home / 12,579,972,840.03-18,869,834,907.28-5,763,459,536.33

Finding the Fourth Proportional to 12,579,972,840.03, 18,869,834,907.28 and 5,763,459,536.33

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Solution

The fourth proportional to 12,579,972,840.03, 18,869,834,907.28 and 5,763,459,536.33 is: 8,645,132,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,972,840.03 : 18,869,834,907.28 = 5,763,459,536.33 : x
  2. Step 2: Convert to fraction form
    12,579,972,840.03/18,869,834,907.28 = 5,763,459,536.33/x
  3. Step 3: Cross multiply
    12,579,972,840.03x = 18,869,834,907.28 × 5,763,459,536.33
  4. Step 4: Simplify right side
    12,579,972,840.03x = 108,755,529,945,275,351,040
  5. Step 5: Solve for x
    x = 108,755,529,945,275,351,040/12,579,972,840.03
  6. Step 6: Final answer
    x = 8,645,132,332.82

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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.