Home / 496,524,150.92-685,203,280.08-287,801,363

Finding the Fourth Proportional to 496,524,150.92, 685,203,280.08 and 287,801,363

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Solution

The fourth proportional to 496,524,150.92, 685,203,280.08 and 287,801,363 is: 397,165,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,524,150.92 : 685,203,280.08 = 287,801,363 : x
  2. Step 2: Convert to fraction form
    496,524,150.92/685,203,280.08 = 287,801,363/x
  3. Step 3: Cross multiply
    496,524,150.92x = 685,203,280.08 × 287,801,363
  4. Step 4: Simplify right side
    496,524,150.92x = 197,202,437,939,094,752
  5. Step 5: Solve for x
    x = 197,202,437,939,094,752/496,524,150.92
  6. Step 6: Final answer
    x = 397,165,853.01

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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.