Home / 323,412,379.80-485,118,569.70-177,789,672.60

Finding the Fourth Proportional to 323,412,379.80, 485,118,569.70 and 177,789,672.60

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Solution

The fourth proportional to 323,412,379.80, 485,118,569.70 and 177,789,672.60 is: 266,684,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,412,379.80 : 485,118,569.70 = 177,789,672.60 : x
  2. Step 2: Convert to fraction form
    323,412,379.80/485,118,569.70 = 177,789,672.60/x
  3. Step 3: Cross multiply
    323,412,379.80x = 485,118,569.70 × 177,789,672.60
  4. Step 4: Simplify right side
    323,412,379.80x = 86,249,071,679,143,280
  5. Step 5: Solve for x
    x = 86,249,071,679,143,280/323,412,379.80
  6. Step 6: Final answer
    x = 266,684,508.90

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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.