Home / 18,923,078,889.60-28,384,618,334.40-7,880,160,062.40

Finding the Fourth Proportional to 18,923,078,889.60, 28,384,618,334.40 and 7,880,160,062.40

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Solution

The fourth proportional to 18,923,078,889.60, 28,384,618,334.40 and 7,880,160,062.40 is: 11,820,240,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,078,889.60 : 28,384,618,334.40 = 7,880,160,062.40 : x
  2. Step 2: Convert to fraction form
    18,923,078,889.60/28,384,618,334.40 = 7,880,160,062.40/x
  3. Step 3: Cross multiply
    18,923,078,889.60x = 28,384,618,334.40 × 7,880,160,062.40
  4. Step 4: Simplify right side
    18,923,078,889.60x = 223,675,335,785,205,694,464
  5. Step 5: Solve for x
    x = 223,675,335,785,205,694,464/18,923,078,889.60
  6. Step 6: Final answer
    x = 11,820,240,093.60

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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.