Home / 782,447,028.58-1,079,801,198.79-430,016,615.02

Finding the Fourth Proportional to 782,447,028.58, 1,079,801,198.79 and 430,016,615.02

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Solution

The fourth proportional to 782,447,028.58, 1,079,801,198.79 and 430,016,615.02 is: 593,436,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,447,028.58 : 1,079,801,198.79 = 430,016,615.02 : x
  2. Step 2: Convert to fraction form
    782,447,028.58/1,079,801,198.79 = 430,016,615.02/x
  3. Step 3: Cross multiply
    782,447,028.58x = 1,079,801,198.79 × 430,016,615.02
  4. Step 4: Simplify right side
    782,447,028.58x = 464,332,456,398,213,888
  5. Step 5: Solve for x
    x = 464,332,456,398,213,888/782,447,028.58
  6. Step 6: Final answer
    x = 593,436,283.14

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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.