Home / 1,072,310,339.79-1,608,501,796.20-285,364,767.96

Finding the Fourth Proportional to 1,072,310,339.79, 1,608,501,796.20 and 285,364,767.96

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Solution

The fourth proportional to 1,072,310,339.79, 1,608,501,796.20 and 285,364,767.96 is: 428,056,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,310,339.79 : 1,608,501,796.20 = 285,364,767.96 : x
  2. Step 2: Convert to fraction form
    1,072,310,339.79/1,608,501,796.20 = 285,364,767.96/x
  3. Step 3: Cross multiply
    1,072,310,339.79x = 1,608,501,796.20 × 285,364,767.96
  4. Step 4: Simplify right side
    1,072,310,339.79x = 459,009,741,835,856,192
  5. Step 5: Solve for x
    x = 459,009,741,835,856,192/1,072,310,339.79
  6. Step 6: Final answer
    x = 428,056,808.56

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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.