Home / 558,140,524.76-770,243,719.62-303,829,194.31

Finding the Fourth Proportional to 558,140,524.76, 770,243,719.62 and 303,829,194.31

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Solution

The fourth proportional to 558,140,524.76, 770,243,719.62 and 303,829,194.31 is: 419,289,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,140,524.76 : 770,243,719.62 = 303,829,194.31 : x
  2. Step 2: Convert to fraction form
    558,140,524.76/770,243,719.62 = 303,829,194.31/x
  3. Step 3: Cross multiply
    558,140,524.76x = 770,243,719.62 × 303,829,194.31
  4. Step 4: Simplify right side
    558,140,524.76x = 234,022,528,753,695,872
  5. Step 5: Solve for x
    x = 234,022,528,753,695,872/558,140,524.76
  6. Step 6: Final answer
    x = 419,289,620.39

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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.