Home / 615,836,562.80-923,892,712.84-206,881,559.60

Finding the Fourth Proportional to 615,836,562.80, 923,892,712.84 and 206,881,559.60

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Solution

The fourth proportional to 615,836,562.80, 923,892,712.84 and 206,881,559.60 is: 310,368,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,836,562.80 : 923,892,712.84 = 206,881,559.60 : x
  2. Step 2: Convert to fraction form
    615,836,562.80/923,892,712.84 = 206,881,559.60/x
  3. Step 3: Cross multiply
    615,836,562.80x = 923,892,712.84 × 206,881,559.60
  4. Step 4: Simplify right side
    615,836,562.80x = 191,136,365,335,414,144
  5. Step 5: Solve for x
    x = 191,136,365,335,414,144/615,836,562.80
  6. Step 6: Final answer
    x = 310,368,654.41

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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.