Home / 994,651,642.96-1,491,654,615.85-330,487,299.16

Finding the Fourth Proportional to 994,651,642.96, 1,491,654,615.85 and 330,487,299.16

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Solution

The fourth proportional to 994,651,642.96, 1,491,654,615.85 and 330,487,299.16 is: 495,623,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,651,642.96 : 1,491,654,615.85 = 330,487,299.16 : x
  2. Step 2: Convert to fraction form
    994,651,642.96/1,491,654,615.85 = 330,487,299.16/x
  3. Step 3: Cross multiply
    994,651,642.96x = 1,491,654,615.85 × 330,487,299.16
  4. Step 4: Simplify right side
    994,651,642.96x = 492,972,905,271,813,824
  5. Step 5: Solve for x
    x = 492,972,905,271,813,824/994,651,642.96
  6. Step 6: Final answer
    x = 495,623,677.66

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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.