Home / 479,160,739-661,241,819.34-259,144,164.76

Finding the Fourth Proportional to 479,160,739, 661,241,819.34 and 259,144,164.76

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Solution

The fourth proportional to 479,160,739, 661,241,819.34 and 259,144,164.76 is: 357,618,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,160,739 : 661,241,819.34 = 259,144,164.76 : x
  2. Step 2: Convert to fraction form
    479,160,739/661,241,819.34 = 259,144,164.76/x
  3. Step 3: Cross multiply
    479,160,739x = 661,241,819.34 × 259,144,164.76
  4. Step 4: Simplify right side
    479,160,739x = 171,356,958,977,247,104
  5. Step 5: Solve for x
    x = 171,356,958,977,247,104/479,160,739
  6. Step 6: Final answer
    x = 357,618,947.11

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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.