Home / 874,802,334.40-1,312,392,458.40-261,448,561.60

Finding the Fourth Proportional to 874,802,334.40, 1,312,392,458.40 and 261,448,561.60

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Solution

The fourth proportional to 874,802,334.40, 1,312,392,458.40 and 261,448,561.60 is: 392,229,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,802,334.40 : 1,312,392,458.40 = 261,448,561.60 : x
  2. Step 2: Convert to fraction form
    874,802,334.40/1,312,392,458.40 = 261,448,561.60/x
  3. Step 3: Cross multiply
    874,802,334.40x = 1,312,392,458.40 × 261,448,561.60
  4. Step 4: Simplify right side
    874,802,334.40x = 343,123,120,503,367,872
  5. Step 5: Solve for x
    x = 343,123,120,503,367,872/874,802,334.40
  6. Step 6: Final answer
    x = 392,229,315.14

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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.