Home / 1,286,796,731.38-1,930,846,996.32-587,211,340.30

Finding the Fourth Proportional to 1,286,796,731.38, 1,930,846,996.32 and 587,211,340.30

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Solution

The fourth proportional to 1,286,796,731.38, 1,930,846,996.32 and 587,211,340.30 is: 881,114,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,796,731.38 : 1,930,846,996.32 = 587,211,340.30 : x
  2. Step 2: Convert to fraction form
    1,286,796,731.38/1,930,846,996.32 = 587,211,340.30/x
  3. Step 3: Cross multiply
    1,286,796,731.38x = 1,930,846,996.32 × 587,211,340.30
  4. Step 4: Simplify right side
    1,286,796,731.38x = 1,133,815,252,623,296,256
  5. Step 5: Solve for x
    x = 1,133,815,252,623,296,256/1,286,796,731.38
  6. Step 6: Final answer
    x = 881,114,495.38

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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.