Home / 1,290,816,064.60-1,936,224,096.90-321,467,680.60

Finding the Fourth Proportional to 1,290,816,064.60, 1,936,224,096.90 and 321,467,680.60

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Solution

The fourth proportional to 1,290,816,064.60, 1,936,224,096.90 and 321,467,680.60 is: 482,201,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,816,064.60 : 1,936,224,096.90 = 321,467,680.60 : x
  2. Step 2: Convert to fraction form
    1,290,816,064.60/1,936,224,096.90 = 321,467,680.60/x
  3. Step 3: Cross multiply
    1,290,816,064.60x = 1,936,224,096.90 × 321,467,680.60
  4. Step 4: Simplify right side
    1,290,816,064.60x = 622,433,469,552,272,768
  5. Step 5: Solve for x
    x = 622,433,469,552,272,768/1,290,816,064.60
  6. Step 6: Final answer
    x = 482,201,520.90

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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.