Home / 591,285,748.88-815,979,613.32-326,985,626

Finding the Fourth Proportional to 591,285,748.88, 815,979,613.32 and 326,985,626

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Solution

The fourth proportional to 591,285,748.88, 815,979,613.32 and 326,985,626 is: 451,243,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,285,748.88 : 815,979,613.32 = 326,985,626 : x
  2. Step 2: Convert to fraction form
    591,285,748.88/815,979,613.32 = 326,985,626/x
  3. Step 3: Cross multiply
    591,285,748.88x = 815,979,613.32 × 326,985,626
  4. Step 4: Simplify right side
    591,285,748.88x = 266,813,604,664,678,144
  5. Step 5: Solve for x
    x = 266,813,604,664,678,144/591,285,748.88
  6. Step 6: Final answer
    x = 451,243,083.69

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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.