Home / 815,435,946.47-1,222,930,685.68-225,085,059.62

Finding the Fourth Proportional to 815,435,946.47, 1,222,930,685.68 and 225,085,059.62

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Solution

The fourth proportional to 815,435,946.47, 1,222,930,685.68 and 225,085,059.62 is: 337,565,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,435,946.47 : 1,222,930,685.68 = 225,085,059.62 : x
  2. Step 2: Convert to fraction form
    815,435,946.47/1,222,930,685.68 = 225,085,059.62/x
  3. Step 3: Cross multiply
    815,435,946.47x = 1,222,930,685.68 × 225,085,059.62
  4. Step 4: Simplify right side
    815,435,946.47x = 275,263,426,297,410,304
  5. Step 5: Solve for x
    x = 275,263,426,297,410,304/815,435,946.47
  6. Step 6: Final answer
    x = 337,565,970.07

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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.