Home / 669,287,672.06-923,639,389.76-371,942,446.82

Finding the Fourth Proportional to 669,287,672.06, 923,639,389.76 and 371,942,446.82

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Solution

The fourth proportional to 669,287,672.06, 923,639,389.76 and 371,942,446.82 is: 513,293,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,287,672.06 : 923,639,389.76 = 371,942,446.82 : x
  2. Step 2: Convert to fraction form
    669,287,672.06/923,639,389.76 = 371,942,446.82/x
  3. Step 3: Cross multiply
    669,287,672.06x = 923,639,389.76 × 371,942,446.82
  4. Step 4: Simplify right side
    669,287,672.06x = 343,540,694,602,977,728
  5. Step 5: Solve for x
    x = 343,540,694,602,977,728/669,287,672.06
  6. Step 6: Final answer
    x = 513,293,026.22

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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.