Home / 3,991,989,182.22-5,508,721,910.34-2,183,143,822.02

Finding the Fourth Proportional to 3,991,989,182.22, 5,508,721,910.34 and 2,183,143,822.02

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Solution

The fourth proportional to 3,991,989,182.22, 5,508,721,910.34 and 2,183,143,822.02 is: 3,012,616,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,989,182.22 : 5,508,721,910.34 = 2,183,143,822.02 : x
  2. Step 2: Convert to fraction form
    3,991,989,182.22/5,508,721,910.34 = 2,183,143,822.02/x
  3. Step 3: Cross multiply
    3,991,989,182.22x = 5,508,721,910.34 × 2,183,143,822.02
  4. Step 4: Simplify right side
    3,991,989,182.22x = 12,026,332,205,784,983,552
  5. Step 5: Solve for x
    x = 12,026,332,205,784,983,552/3,991,989,182.22
  6. Step 6: Final answer
    x = 3,012,616,431.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.