Home / 579,377,581.28-799,562,087.38-331,906,765.22

Finding the Fourth Proportional to 579,377,581.28, 799,562,087.38 and 331,906,765.22

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Solution

The fourth proportional to 579,377,581.28, 799,562,087.38 and 331,906,765.22 is: 458,043,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,377,581.28 : 799,562,087.38 = 331,906,765.22 : x
  2. Step 2: Convert to fraction form
    579,377,581.28/799,562,087.38 = 331,906,765.22/x
  3. Step 3: Cross multiply
    579,377,581.28x = 799,562,087.38 × 331,906,765.22
  4. Step 4: Simplify right side
    579,377,581.28x = 265,380,066,014,262,208
  5. Step 5: Solve for x
    x = 265,380,066,014,262,208/579,377,581.28
  6. Step 6: Final answer
    x = 458,043,380.67

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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.