Home / 28,081,670,884.20-42,128,741,900.70-9,448,640,836.20

Finding the Fourth Proportional to 28,081,670,884.20, 42,128,741,900.70 and 9,448,640,836.20

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Solution

The fourth proportional to 28,081,670,884.20, 42,128,741,900.70 and 9,448,640,836.20 is: 14,175,059,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,670,884.20 : 42,128,741,900.70 = 9,448,640,836.20 : x
  2. Step 2: Convert to fraction form
    28,081,670,884.20/42,128,741,900.70 = 9,448,640,836.20/x
  3. Step 3: Cross multiply
    28,081,670,884.20x = 42,128,741,900.70 × 9,448,640,836.20
  4. Step 4: Simplify right side
    28,081,670,884.20x = 398,059,351,100,684,042,240
  5. Step 5: Solve for x
    x = 398,059,351,100,684,042,240/28,081,670,884.20
  6. Step 6: Final answer
    x = 14,175,059,338.25

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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.