Home / 507,530,765.46-700,392,456.27-287,514,191.46

Finding the Fourth Proportional to 507,530,765.46, 700,392,456.27 and 287,514,191.46

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Solution

The fourth proportional to 507,530,765.46, 700,392,456.27 and 287,514,191.46 is: 396,769,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,530,765.46 : 700,392,456.27 = 287,514,191.46 : x
  2. Step 2: Convert to fraction form
    507,530,765.46/700,392,456.27 = 287,514,191.46/x
  3. Step 3: Cross multiply
    507,530,765.46x = 700,392,456.27 × 287,514,191.46
  4. Step 4: Simplify right side
    507,530,765.46x = 201,372,770,769,152,448
  5. Step 5: Solve for x
    x = 201,372,770,769,152,448/507,530,765.46
  6. Step 6: Final answer
    x = 396,769,584.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.