Home / 320,594,011.27-442,191,662.14-294,217,540.90

Finding the Fourth Proportional to 320,594,011.27, 442,191,662.14 and 294,217,540.90

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Solution

The fourth proportional to 320,594,011.27, 442,191,662.14 and 294,217,540.90 is: 405,810,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,594,011.27 : 442,191,662.14 = 294,217,540.90 : x
  2. Step 2: Convert to fraction form
    320,594,011.27/442,191,662.14 = 294,217,540.90/x
  3. Step 3: Cross multiply
    320,594,011.27x = 442,191,662.14 × 294,217,540.90
  4. Step 4: Simplify right side
    320,594,011.27x = 130,100,543,441,314,416
  5. Step 5: Solve for x
    x = 130,100,543,441,314,416/320,594,011.27
  6. Step 6: Final answer
    x = 405,810,897.48

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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.