Home / 829,472,043.80-1,244,208,065.70-284,032,299.80

Finding the Fourth Proportional to 829,472,043.80, 1,244,208,065.70 and 284,032,299.80

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Solution

The fourth proportional to 829,472,043.80, 1,244,208,065.70 and 284,032,299.80 is: 426,048,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,472,043.80 : 1,244,208,065.70 = 284,032,299.80 : x
  2. Step 2: Convert to fraction form
    829,472,043.80/1,244,208,065.70 = 284,032,299.80/x
  3. Step 3: Cross multiply
    829,472,043.80x = 1,244,208,065.70 × 284,032,299.80
  4. Step 4: Simplify right side
    829,472,043.80x = 353,395,278,330,480,512
  5. Step 5: Solve for x
    x = 353,395,278,330,480,512/829,472,043.80
  6. Step 6: Final answer
    x = 426,048,449.70

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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.