Home / 479,160,738-661,241,817.96-259,144,163.76

Finding the Fourth Proportional to 479,160,738, 661,241,817.96 and 259,144,163.76

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Solution

The fourth proportional to 479,160,738, 661,241,817.96 and 259,144,163.76 is: 357,618,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,160,738 : 661,241,817.96 = 259,144,163.76 : x
  2. Step 2: Convert to fraction form
    479,160,738/661,241,817.96 = 259,144,163.76/x
  3. Step 3: Cross multiply
    479,160,738x = 661,241,817.96 × 259,144,163.76
  4. Step 4: Simplify right side
    479,160,738x = 171,356,957,958,386,368
  5. Step 5: Solve for x
    x = 171,356,957,958,386,368/479,160,738
  6. Step 6: Final answer
    x = 357,618,945.73

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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.