Home / 507,530,669.54-700,392,323.96-287,514,095.54

Finding the Fourth Proportional to 507,530,669.54, 700,392,323.96 and 287,514,095.54

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Solution

The fourth proportional to 507,530,669.54, 700,392,323.96 and 287,514,095.54 is: 396,769,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,530,669.54 : 700,392,323.96 = 287,514,095.54 : x
  2. Step 2: Convert to fraction form
    507,530,669.54/700,392,323.96 = 287,514,095.54/x
  3. Step 3: Cross multiply
    507,530,669.54x = 700,392,323.96 × 287,514,095.54
  4. Step 4: Simplify right side
    507,530,669.54x = 201,372,665,541,578,560
  5. Step 5: Solve for x
    x = 201,372,665,541,578,560/507,530,669.54
  6. Step 6: Final answer
    x = 396,769,451.84

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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.