Home / 12,043,982,970.06-18,063,970,666.29-3,647,892,395.81

Finding the Fourth Proportional to 12,043,982,970.06, 18,063,970,666.29 and 3,647,892,395.81

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Solution

The fourth proportional to 12,043,982,970.06, 18,063,970,666.29 and 3,647,892,395.81 is: 5,471,231,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,982,970.06 : 18,063,970,666.29 = 3,647,892,395.81 : x
  2. Step 2: Convert to fraction form
    12,043,982,970.06/18,063,970,666.29 = 3,647,892,395.81/x
  3. Step 3: Cross multiply
    12,043,982,970.06x = 18,063,970,666.29 × 3,647,892,395.81
  4. Step 4: Simplify right side
    12,043,982,970.06x = 65,895,421,231,603,867,648
  5. Step 5: Solve for x
    x = 65,895,421,231,603,867,648/12,043,982,970.06
  6. Step 6: Final answer
    x = 5,471,231,684.35

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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.