Home / 507,530,926.32-700,392,677.76-287,514,352.32

Finding the Fourth Proportional to 507,530,926.32, 700,392,677.76 and 287,514,352.32

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Solution

The fourth proportional to 507,530,926.32, 700,392,677.76 and 287,514,352.32 is: 396,769,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,530,926.32 : 700,392,677.76 = 287,514,352.32 : x
  2. Step 2: Convert to fraction form
    507,530,926.32/700,392,677.76 = 287,514,352.32/x
  3. Step 3: Cross multiply
    507,530,926.32x = 700,392,677.76 × 287,514,352.32
  4. Step 4: Simplify right side
    507,530,926.32x = 201,372,947,115,836,864
  5. Step 5: Solve for x
    x = 201,372,947,115,836,864/507,530,926.32
  6. Step 6: Final answer
    x = 396,769,805.88

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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.