Home / 629,656,943.00-868,929,600.20-347,399,368.65

Finding the Fourth Proportional to 629,656,943.00, 868,929,600.20 and 347,399,368.65

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Solution

The fourth proportional to 629,656,943.00, 868,929,600.20 and 347,399,368.65 is: 479,412,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656,943.00 : 868,929,600.20 = 347,399,368.65 : x
  2. Step 2: Convert to fraction form
    629,656,943.00/868,929,600.20 = 347,399,368.65/x
  3. Step 3: Cross multiply
    629,656,943.00x = 868,929,600.20 × 347,399,368.65
  4. Step 4: Simplify right side
    629,656,943.00x = 301,865,594,509,039,936
  5. Step 5: Solve for x
    x = 301,865,594,509,039,936/629,656,943.00
  6. Step 6: Final answer
    x = 479,412,794.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.