Home / 587,698,389.62-810,999,461.94-319,775,324.86

Finding the Fourth Proportional to 587,698,389.62, 810,999,461.94 and 319,775,324.86

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Solution

The fourth proportional to 587,698,389.62, 810,999,461.94 and 319,775,324.86 is: 441,276,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,698,389.62 : 810,999,461.94 = 319,775,324.86 : x
  2. Step 2: Convert to fraction form
    587,698,389.62/810,999,461.94 = 319,775,324.86/x
  3. Step 3: Cross multiply
    587,698,389.62x = 810,999,461.94 × 319,775,324.86
  4. Step 4: Simplify right side
    587,698,389.62x = 259,337,616,403,148,736
  5. Step 5: Solve for x
    x = 259,337,616,403,148,736/587,698,389.62
  6. Step 6: Final answer
    x = 441,276,717.76

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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.