Home / 674,045,349.71-930,102,023.04-372,589,939.37

Finding the Fourth Proportional to 674,045,349.71, 930,102,023.04 and 372,589,939.37

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Solution

The fourth proportional to 674,045,349.71, 930,102,023.04 and 372,589,939.37 is: 514,129,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,045,349.71 : 930,102,023.04 = 372,589,939.37 : x
  2. Step 2: Convert to fraction form
    674,045,349.71/930,102,023.04 = 372,589,939.37/x
  3. Step 3: Cross multiply
    674,045,349.71x = 930,102,023.04 × 372,589,939.37
  4. Step 4: Simplify right side
    674,045,349.71x = 346,546,656,371,233,344
  5. Step 5: Solve for x
    x = 346,546,656,371,233,344/674,045,349.71
  6. Step 6: Final answer
    x = 514,129,585.67

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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.