Home / 424,114,727.40-636,172,091.10-315,275,610.60

Finding the Fourth Proportional to 424,114,727.40, 636,172,091.10 and 315,275,610.60

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Solution

The fourth proportional to 424,114,727.40, 636,172,091.10 and 315,275,610.60 is: 472,913,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,114,727.40 : 636,172,091.10 = 315,275,610.60 : x
  2. Step 2: Convert to fraction form
    424,114,727.40/636,172,091.10 = 315,275,610.60/x
  3. Step 3: Cross multiply
    424,114,727.40x = 636,172,091.10 × 315,275,610.60
  4. Step 4: Simplify right side
    424,114,727.40x = 200,569,544,468,231,360
  5. Step 5: Solve for x
    x = 200,569,544,468,231,360/424,114,727.40
  6. Step 6: Final answer
    x = 472,913,415.90

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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.