Home / 885,215,907.18-1,327,732,867.64-294,942,392.84

Finding the Fourth Proportional to 885,215,907.18, 1,327,732,867.64 and 294,942,392.84

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Solution

The fourth proportional to 885,215,907.18, 1,327,732,867.64 and 294,942,392.84 is: 442,383,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,215,907.18 : 1,327,732,867.64 = 294,942,392.84 : x
  2. Step 2: Convert to fraction form
    885,215,907.18/1,327,732,867.64 = 294,942,392.84/x
  3. Step 3: Cross multiply
    885,215,907.18x = 1,327,732,867.64 × 294,942,392.84
  4. Step 4: Simplify right side
    885,215,907.18x = 391,604,709,035,105,344
  5. Step 5: Solve for x
    x = 391,604,709,035,105,344/885,215,907.18
  6. Step 6: Final answer
    x = 442,383,271.54

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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.