Home / 570,142,178.73-855,536,787.33-307,823,236.47

Finding the Fourth Proportional to 570,142,178.73, 855,536,787.33 and 307,823,236.47

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Solution

The fourth proportional to 570,142,178.73, 855,536,787.33 and 307,823,236.47 is: 461,909,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,142,178.73 : 855,536,787.33 = 307,823,236.47 : x
  2. Step 2: Convert to fraction form
    570,142,178.73/855,536,787.33 = 307,823,236.47/x
  3. Step 3: Cross multiply
    570,142,178.73x = 855,536,787.33 × 307,823,236.47
  4. Step 4: Simplify right side
    570,142,178.73x = 263,354,102,795,066,720
  5. Step 5: Solve for x
    x = 263,354,102,795,066,720/570,142,178.73
  6. Step 6: Final answer
    x = 461,909,524.71

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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.