Home / 1,333,531,555.20-2,000,372,915.52-413,538,687.36

Finding the Fourth Proportional to 1,333,531,555.20, 2,000,372,915.52 and 413,538,687.36

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Solution

The fourth proportional to 1,333,531,555.20, 2,000,372,915.52 and 413,538,687.36 is: 620,331,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,531,555.20 : 2,000,372,915.52 = 413,538,687.36 : x
  2. Step 2: Convert to fraction form
    1,333,531,555.20/2,000,372,915.52 = 413,538,687.36/x
  3. Step 3: Cross multiply
    1,333,531,555.20x = 2,000,372,915.52 × 413,538,687.36
  4. Step 4: Simplify right side
    1,333,531,555.20x = 827,231,589,714,637,056
  5. Step 5: Solve for x
    x = 827,231,589,714,637,056/1,333,531,555.20
  6. Step 6: Final answer
    x = 620,331,469.84

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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.