Home / 13,810,928,809.60-20,716,393,214.40-5,085,659,612.80

Finding the Fourth Proportional to 13,810,928,809.60, 20,716,393,214.40 and 5,085,659,612.80

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Solution

The fourth proportional to 13,810,928,809.60, 20,716,393,214.40 and 5,085,659,612.80 is: 7,628,489,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810,928,809.60 : 20,716,393,214.40 = 5,085,659,612.80 : x
  2. Step 2: Convert to fraction form
    13,810,928,809.60/20,716,393,214.40 = 5,085,659,612.80/x
  3. Step 3: Cross multiply
    13,810,928,809.60x = 20,716,393,214.40 × 5,085,659,612.80
  4. Step 4: Simplify right side
    13,810,928,809.60x = 105,356,524,293,358,059,520
  5. Step 5: Solve for x
    x = 105,356,524,293,358,059,520/13,810,928,809.60
  6. Step 6: Final answer
    x = 7,628,489,419.20

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Double scale
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1.5x scale

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.