Home / 407,379,659,140.38-562,213,642,692.87-236,145,797,656.86

Finding the Fourth Proportional to 407,379,659,140.38, 562,213,642,692.87 and 236,145,797,656.86

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Solution

The fourth proportional to 407,379,659,140.38, 562,213,642,692.87 and 236,145,797,656.86 is: 325,898,424,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,379,659,140.38 : 562,213,642,692.87 = 236,145,797,656.86 : x
  2. Step 2: Convert to fraction form
    407,379,659,140.38/562,213,642,692.87 = 236,145,797,656.86/x
  3. Step 3: Cross multiply
    407,379,659,140.38x = 562,213,642,692.87 × 236,145,797,656.86
  4. Step 4: Simplify right side
    407,379,659,140.38x = 132,764,389,107,276,663,750,656
  5. Step 5: Solve for x
    x = 132,764,389,107,276,663,750,656/407,379,659,140.38
  6. Step 6: Final answer
    x = 325,898,424,549.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.