Home / 21,410,591,224.78-29,544,883,646.78-12,378,928,797.10

Finding the Fourth Proportional to 21,410,591,224.78, 29,544,883,646.78 and 12,378,928,797.10

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Solution

The fourth proportional to 21,410,591,224.78, 29,544,883,646.78 and 12,378,928,797.10 is: 17,081,920,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,591,224.78 : 29,544,883,646.78 = 12,378,928,797.10 : x
  2. Step 2: Convert to fraction form
    21,410,591,224.78/29,544,883,646.78 = 12,378,928,797.10/x
  3. Step 3: Cross multiply
    21,410,591,224.78x = 29,544,883,646.78 × 12,378,928,797.10
  4. Step 4: Simplify right side
    21,410,591,224.78x = 365,734,010,982,093,815,808
  5. Step 5: Solve for x
    x = 365,734,010,982,093,815,808/21,410,591,224.78
  6. Step 6: Final answer
    x = 17,081,920,211.47

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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.