Home / 524,217,757.23-723,435,879.42-286,078,317.66

Finding the Fourth Proportional to 524,217,757.23, 723,435,879.42 and 286,078,317.66

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Solution

The fourth proportional to 524,217,757.23, 723,435,879.42 and 286,078,317.66 is: 394,796,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,217,757.23 : 723,435,879.42 = 286,078,317.66 : x
  2. Step 2: Convert to fraction form
    524,217,757.23/723,435,879.42 = 286,078,317.66/x
  3. Step 3: Cross multiply
    524,217,757.23x = 723,435,879.42 × 286,078,317.66
  4. Step 4: Simplify right side
    524,217,757.23x = 206,959,319,319,356,224
  5. Step 5: Solve for x
    x = 206,959,319,319,356,224/524,217,757.23
  6. Step 6: Final answer
    x = 394,796,468.58

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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.