Home / 369,372,474.80-509,733,744.75-202,109,834.33

Finding the Fourth Proportional to 369,372,474.80, 509,733,744.75 and 202,109,834.33

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Solution

The fourth proportional to 369,372,474.80, 509,733,744.75 and 202,109,834.33 is: 278,911,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372,474.80 : 509,733,744.75 = 202,109,834.33 : x
  2. Step 2: Convert to fraction form
    369,372,474.80/509,733,744.75 = 202,109,834.33/x
  3. Step 3: Cross multiply
    369,372,474.80x = 509,733,744.75 × 202,109,834.33
  4. Step 4: Simplify right side
    369,372,474.80x = 103,022,202,701,284,336
  5. Step 5: Solve for x
    x = 103,022,202,701,284,336/369,372,474.80
  6. Step 6: Final answer
    x = 278,911,423.38

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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.