Home / 792,178,148.20-1,188,261,317.40-239,479,508.20

Finding the Fourth Proportional to 792,178,148.20, 1,188,261,317.40 and 239,479,508.20

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Solution

The fourth proportional to 792,178,148.20, 1,188,261,317.40 and 239,479,508.20 is: 359,217,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,178,148.20 : 1,188,261,317.40 = 239,479,508.20 : x
  2. Step 2: Convert to fraction form
    792,178,148.20/1,188,261,317.40 = 239,479,508.20/x
  3. Step 3: Cross multiply
    792,178,148.20x = 1,188,261,317.40 × 239,479,508.20
  4. Step 4: Simplify right side
    792,178,148.20x = 284,564,235,904,036,096
  5. Step 5: Solve for x
    x = 284,564,235,904,036,096/792,178,148.20
  6. Step 6: Final answer
    x = 359,217,477.22

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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.