Home / 674,045,302.91-930,101,958.92-372,589,892.69

Finding the Fourth Proportional to 674,045,302.91, 930,101,958.92 and 372,589,892.69

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Solution

The fourth proportional to 674,045,302.91, 930,101,958.92 and 372,589,892.69 is: 514,129,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,045,302.91 : 930,101,958.92 = 372,589,892.69 : x
  2. Step 2: Convert to fraction form
    674,045,302.91/930,101,958.92 = 372,589,892.69/x
  3. Step 3: Cross multiply
    674,045,302.91x = 930,101,958.92 × 372,589,892.69
  4. Step 4: Simplify right side
    674,045,302.91x = 346,546,589,058,248,128
  5. Step 5: Solve for x
    x = 346,546,589,058,248,128/674,045,302.91
  6. Step 6: Final answer
    x = 514,129,521.51

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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.