Home / 487,728,067.54-673,065,399.09-264,709,752.16

Finding the Fourth Proportional to 487,728,067.54, 673,065,399.09 and 264,709,752.16

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Solution

The fourth proportional to 487,728,067.54, 673,065,399.09 and 264,709,752.16 is: 365,299,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,728,067.54 : 673,065,399.09 = 264,709,752.16 : x
  2. Step 2: Convert to fraction form
    487,728,067.54/673,065,399.09 = 264,709,752.16/x
  3. Step 3: Cross multiply
    487,728,067.54x = 673,065,399.09 × 264,709,752.16
  4. Step 4: Simplify right side
    487,728,067.54x = 178,166,974,980,585,408
  5. Step 5: Solve for x
    x = 178,166,974,980,585,408/487,728,067.54
  6. Step 6: Final answer
    x = 365,299,819.38

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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.