Home / 629,805,494,743.50-869,131,021,162.50-355,508,883,320.69

Finding the Fourth Proportional to 629,805,494,743.50, 869,131,021,162.50 and 355,508,883,320.69

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Solution

The fourth proportional to 629,805,494,743.50, 869,131,021,162.50 and 355,508,883,320.69 is: 490,601,941,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,805,494,743.50 : 869,131,021,162.50 = 355,508,883,320.69 : x
  2. Step 2: Convert to fraction form
    629,805,494,743.50/869,131,021,162.50 = 355,508,883,320.69/x
  3. Step 3: Cross multiply
    629,805,494,743.50x = 869,131,021,162.50 × 355,508,883,320.69
  4. Step 4: Simplify right side
    629,805,494,743.50x = 308,983,798,792,851,361,366,016
  5. Step 5: Solve for x
    x = 308,983,798,792,851,361,366,016/629,805,494,743.50
  6. Step 6: Final answer
    x = 490,601,941,983.20

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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.