Home / 415,197,442.60-622,371,011.10-242,585,405.80

Finding the Fourth Proportional to 415,197,442.60, 622,371,011.10 and 242,585,405.80

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Solution

The fourth proportional to 415,197,442.60, 622,371,011.10 and 242,585,405.80 is: 363,629,706.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,197,442.60 : 622,371,011.10 = 242,585,405.80 : x
  2. Step 2: Convert to fraction form
    415,197,442.60/622,371,011.10 = 242,585,405.80/x
  3. Step 3: Cross multiply
    415,197,442.60x = 622,371,011.10 × 242,585,405.80
  4. Step 4: Simplify right side
    415,197,442.60x = 150,978,124,285,849,824
  5. Step 5: Solve for x
    x = 150,978,124,285,849,824/415,197,442.60
  6. Step 6: Final answer
    x = 363,629,706.73

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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.