Home / 298,223,309,241.87-447,334,969,781.85-71,582,761,313.07

Finding the Fourth Proportional to 298,223,309,241.87, 447,334,969,781.85 and 71,582,761,313.07

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Solution

The fourth proportional to 298,223,309,241.87, 447,334,969,781.85 and 71,582,761,313.07 is: 107,374,143,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,223,309,241.87 : 447,334,969,781.85 = 71,582,761,313.07 : x
  2. Step 2: Convert to fraction form
    298,223,309,241.87/447,334,969,781.85 = 71,582,761,313.07/x
  3. Step 3: Cross multiply
    298,223,309,241.87x = 447,334,969,781.85 × 71,582,761,313.07
  4. Step 4: Simplify right side
    298,223,309,241.87x = 32,021,472,368,884,889,681,920
  5. Step 5: Solve for x
    x = 32,021,472,368,884,889,681,920/298,223,309,241.87
  6. Step 6: Final answer
    x = 107,374,143,390.36

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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.