Home / 620,630,120,131.53-930,945,180,197.30-620,630,120,131.53

Finding the Fourth Proportional to 620,630,120,131.53, 930,945,180,197.30 and 620,630,120,131.53

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Solution

The fourth proportional to 620,630,120,131.53, 930,945,180,197.30 and 620,630,120,131.53 is: 930,945,180,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,630,120,131.53 : 930,945,180,197.30 = 620,630,120,131.53 : x
  2. Step 2: Convert to fraction form
    620,630,120,131.53/930,945,180,197.30 = 620,630,120,131.53/x
  3. Step 3: Cross multiply
    620,630,120,131.53x = 930,945,180,197.30 × 620,630,120,131.53
  4. Step 4: Simplify right side
    620,630,120,131.53x = 577,772,619,021,719,177,265,152
  5. Step 5: Solve for x
    x = 577,772,619,021,719,177,265,152/620,630,120,131.53
  6. Step 6: Final answer
    x = 930,945,180,197.30

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Double scale
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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.