Home / 885,215,907.68-1,327,732,868.39-294,942,393.34

Finding the Fourth Proportional to 885,215,907.68, 1,327,732,868.39 and 294,942,393.34

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Solution

The fourth proportional to 885,215,907.68, 1,327,732,868.39 and 294,942,393.34 is: 442,383,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,215,907.68 : 1,327,732,868.39 = 294,942,393.34 : x
  2. Step 2: Convert to fraction form
    885,215,907.68/1,327,732,868.39 = 294,942,393.34/x
  3. Step 3: Cross multiply
    885,215,907.68x = 1,327,732,868.39 × 294,942,393.34
  4. Step 4: Simplify right side
    885,215,907.68x = 391,604,709,919,129,856
  5. Step 5: Solve for x
    x = 391,604,709,919,129,856/885,215,907.68
  6. Step 6: Final answer
    x = 442,383,272.29

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1.5x scale

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.