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Finding the Fourth Proportional to 300,610,480,512.60, 450,915,720,768.90 and 300,610,480,512.60

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Solution

The fourth proportional to 300,610,480,512.60, 450,915,720,768.90 and 300,610,480,512.60 is: 450,915,720,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,610,480,512.60 : 450,915,720,768.90 = 300,610,480,512.60 : x
  2. Step 2: Convert to fraction form
    300,610,480,512.60/450,915,720,768.90 = 300,610,480,512.60/x
  3. Step 3: Cross multiply
    300,610,480,512.60x = 450,915,720,768.90 × 300,610,480,512.60
  4. Step 4: Simplify right side
    300,610,480,512.60x = 135,549,991,491,024,397,008,896
  5. Step 5: Solve for x
    x = 135,549,991,491,024,397,008,896/300,610,480,512.60
  6. Step 6: Final answer
    x = 450,915,720,768.90

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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.