Home / 1,569,986,490.54-2,166,595,885.31-865,163,694

Finding the Fourth Proportional to 1,569,986,490.54, 2,166,595,885.31 and 865,163,694

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Solution

The fourth proportional to 1,569,986,490.54, 2,166,595,885.31 and 865,163,694 is: 1,193,933,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,986,490.54 : 2,166,595,885.31 = 865,163,694 : x
  2. Step 2: Convert to fraction form
    1,569,986,490.54/2,166,595,885.31 = 865,163,694/x
  3. Step 3: Cross multiply
    1,569,986,490.54x = 2,166,595,885.31 × 865,163,694
  4. Step 4: Simplify right side
    1,569,986,490.54x = 1,874,460,099,535,673,856
  5. Step 5: Solve for x
    x = 1,874,460,099,535,673,856/1,569,986,490.54
  6. Step 6: Final answer
    x = 1,193,933,903.78

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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.