Home / 815,940,574.80-1,224,194,297.40-356,208,680.40

Finding the Fourth Proportional to 815,940,574.80, 1,224,194,297.40 and 356,208,680.40

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Solution

The fourth proportional to 815,940,574.80, 1,224,194,297.40 and 356,208,680.40 is: 534,436,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,940,574.80 : 1,224,194,297.40 = 356,208,680.40 : x
  2. Step 2: Convert to fraction form
    815,940,574.80/1,224,194,297.40 = 356,208,680.40/x
  3. Step 3: Cross multiply
    815,940,574.80x = 1,224,194,297.40 × 356,208,680.40
  4. Step 4: Simplify right side
    815,940,574.80x = 436,068,635,230,059,136
  5. Step 5: Solve for x
    x = 436,068,635,230,059,136/815,940,574.80
  6. Step 6: Final answer
    x = 534,436,757.65

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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.