Home / 827,519,285.96-1,241,581,601.42-385,072,980.68

Finding the Fourth Proportional to 827,519,285.96, 1,241,581,601.42 and 385,072,980.68

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Solution

The fourth proportional to 827,519,285.96, 1,241,581,601.42 and 385,072,980.68 is: 577,750,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,519,285.96 : 1,241,581,601.42 = 385,072,980.68 : x
  2. Step 2: Convert to fraction form
    827,519,285.96/1,241,581,601.42 = 385,072,980.68/x
  3. Step 3: Cross multiply
    827,519,285.96x = 1,241,581,601.42 × 385,072,980.68
  4. Step 4: Simplify right side
    827,519,285.96x = 478,099,528,016,247,168
  5. Step 5: Solve for x
    x = 478,099,528,016,247,168/827,519,285.96
  6. Step 6: Final answer
    x = 577,750,314.86

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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.