Home / 871,321,260.53-1,307,367,849.81-456,699,546.23

Finding the Fourth Proportional to 871,321,260.53, 1,307,367,849.81 and 456,699,546.23

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Solution

The fourth proportional to 871,321,260.53, 1,307,367,849.81 and 456,699,546.23 is: 685,251,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321,260.53 : 1,307,367,849.81 = 456,699,546.23 : x
  2. Step 2: Convert to fraction form
    871,321,260.53/1,307,367,849.81 = 456,699,546.23/x
  3. Step 3: Cross multiply
    871,321,260.53x = 1,307,367,849.81 × 456,699,546.23
  4. Step 4: Simplify right side
    871,321,260.53x = 597,074,303,757,380,992
  5. Step 5: Solve for x
    x = 597,074,303,757,380,992/871,321,260.53
  6. Step 6: Final answer
    x = 685,251,618.21

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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.