Home / 626,889,709.40-940,334,564.10-166,874,379.80

Finding the Fourth Proportional to 626,889,709.40, 940,334,564.10 and 166,874,379.80

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Solution

The fourth proportional to 626,889,709.40, 940,334,564.10 and 166,874,379.80 is: 250,311,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,889,709.40 : 940,334,564.10 = 166,874,379.80 : x
  2. Step 2: Convert to fraction form
    626,889,709.40/940,334,564.10 = 166,874,379.80/x
  3. Step 3: Cross multiply
    626,889,709.40x = 940,334,564.10 × 166,874,379.80
  4. Step 4: Simplify right side
    626,889,709.40x = 156,917,747,188,690,848
  5. Step 5: Solve for x
    x = 156,917,747,188,690,848/626,889,709.40
  6. Step 6: Final answer
    x = 250,311,569.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.