Home / 15,726,416,200-21,702,311,091.12-8,589,828,120.28

Finding the Fourth Proportional to 15,726,416,200, 21,702,311,091.12 and 8,589,828,120.28

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Solution

The fourth proportional to 15,726,416,200, 21,702,311,091.12 and 8,589,828,120.28 is: 11,853,884,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,416,200 : 21,702,311,091.12 = 8,589,828,120.28 : x
  2. Step 2: Convert to fraction form
    15,726,416,200/21,702,311,091.12 = 8,589,828,120.28/x
  3. Step 3: Cross multiply
    15,726,416,200x = 21,702,311,091.12 × 8,589,828,120.28
  4. Step 4: Simplify right side
    15,726,416,200x = 186,419,122,085,567,102,976
  5. Step 5: Solve for x
    x = 186,419,122,085,567,102,976/15,726,416,200
  6. Step 6: Final answer
    x = 11,853,884,554.17

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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.