Home / 509,103,474.99-763,342,683.70-197,847,662.73

Finding the Fourth Proportional to 509,103,474.99, 763,342,683.70 and 197,847,662.73

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Solution

The fourth proportional to 509,103,474.99, 763,342,683.70 and 197,847,662.73 is: 296,650,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,103,474.99 : 763,342,683.70 = 197,847,662.73 : x
  2. Step 2: Convert to fraction form
    509,103,474.99/763,342,683.70 = 197,847,662.73/x
  3. Step 3: Cross multiply
    509,103,474.99x = 763,342,683.70 × 197,847,662.73
  4. Step 4: Simplify right side
    509,103,474.99x = 151,025,565,832,090,656
  5. Step 5: Solve for x
    x = 151,025,565,832,090,656/509,103,474.99
  6. Step 6: Final answer
    x = 296,650,039.24

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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.