Home / 832,418,947.70-1,247,846,317.54-279,333,490.62

Finding the Fourth Proportional to 832,418,947.70, 1,247,846,317.54 and 279,333,490.62

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Solution

The fourth proportional to 832,418,947.70, 1,247,846,317.54 and 279,333,490.62 is: 418,737,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,418,947.70 : 1,247,846,317.54 = 279,333,490.62 : x
  2. Step 2: Convert to fraction form
    832,418,947.70/1,247,846,317.54 = 279,333,490.62/x
  3. Step 3: Cross multiply
    832,418,947.70x = 1,247,846,317.54 × 279,333,490.62
  4. Step 4: Simplify right side
    832,418,947.70x = 348,565,267,635,761,152
  5. Step 5: Solve for x
    x = 348,565,267,635,761,152/832,418,947.70
  6. Step 6: Final answer
    x = 418,737,786.54

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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.