Home / 587,960,623.30-811,407,071.76-320,023,507

Finding the Fourth Proportional to 587,960,623.30, 811,407,071.76 and 320,023,507

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Solution

The fourth proportional to 587,960,623.30, 811,407,071.76 and 320,023,507 is: 441,644,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,960,623.30 : 811,407,071.76 = 320,023,507 : x
  2. Step 2: Convert to fraction form
    587,960,623.30/811,407,071.76 = 320,023,507/x
  3. Step 3: Cross multiply
    587,960,623.30x = 811,407,071.76 × 320,023,507
  4. Step 4: Simplify right side
    587,960,623.30x = 259,669,336,709,235,872
  5. Step 5: Solve for x
    x = 259,669,336,709,235,872/587,960,623.30
  6. Step 6: Final answer
    x = 441,644,093.87

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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.