Home / 3,990,004,689.06-5,505,970,284.45-2,205,751,729.86

Finding the Fourth Proportional to 3,990,004,689.06, 5,505,970,284.45 and 2,205,751,729.86

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Solution

The fourth proportional to 3,990,004,689.06, 5,505,970,284.45 and 2,205,751,729.86 is: 3,043,806,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,004,689.06 : 5,505,970,284.45 = 2,205,751,729.86 : x
  2. Step 2: Convert to fraction form
    3,990,004,689.06/5,505,970,284.45 = 2,205,751,729.86/x
  3. Step 3: Cross multiply
    3,990,004,689.06x = 5,505,970,284.45 × 2,205,751,729.86
  4. Step 4: Simplify right side
    3,990,004,689.06x = 12,144,803,479,483,344,896
  5. Step 5: Solve for x
    x = 12,144,803,479,483,344,896/3,990,004,689.06
  6. Step 6: Final answer
    x = 3,043,806,818.77

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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.