Home / 587,285,082.72-810,474,212.88-322,987,532.40

Finding the Fourth Proportional to 587,285,082.72, 810,474,212.88 and 322,987,532.40

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Solution

The fourth proportional to 587,285,082.72, 810,474,212.88 and 322,987,532.40 is: 445,734,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,285,082.72 : 810,474,212.88 = 322,987,532.40 : x
  2. Step 2: Convert to fraction form
    587,285,082.72/810,474,212.88 = 322,987,532.40/x
  3. Step 3: Cross multiply
    587,285,082.72x = 810,474,212.88 × 322,987,532.40
  4. Step 4: Simplify right side
    587,285,082.72x = 261,773,066,091,943,488
  5. Step 5: Solve for x
    x = 261,773,066,091,943,488/587,285,082.72
  6. Step 6: Final answer
    x = 445,734,233.33

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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.