Home / 424,020,425.20-636,072,628.20-147,629,114.80

Finding the Fourth Proportional to 424,020,425.20, 636,072,628.20 and 147,629,114.80

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Solution

The fourth proportional to 424,020,425.20, 636,072,628.20 and 147,629,114.80 is: 221,458,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,020,425.20 : 636,072,628.20 = 147,629,114.80 : x
  2. Step 2: Convert to fraction form
    424,020,425.20/636,072,628.20 = 147,629,114.80/x
  3. Step 3: Cross multiply
    424,020,425.20x = 636,072,628.20 × 147,629,114.80
  4. Step 4: Simplify right side
    424,020,425.20x = 93,902,839,049,675,536
  5. Step 5: Solve for x
    x = 93,902,839,049,675,536/424,020,425.20
  6. Step 6: Final answer
    x = 221,458,291.79

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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.