Home / 320,414,553.20-480,621,829.80-320,414,553.20

Finding the Fourth Proportional to 320,414,553.20, 480,621,829.80 and 320,414,553.20

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Solution

The fourth proportional to 320,414,553.20, 480,621,829.80 and 320,414,553.20 is: 480,621,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,414,553.20 : 480,621,829.80 = 320,414,553.20 : x
  2. Step 2: Convert to fraction form
    320,414,553.20/480,621,829.80 = 320,414,553.20/x
  3. Step 3: Cross multiply
    320,414,553.20x = 480,621,829.80 × 320,414,553.20
  4. Step 4: Simplify right side
    320,414,553.20x = 153,998,228,853,533,440
  5. Step 5: Solve for x
    x = 153,998,228,853,533,440/320,414,553.20
  6. Step 6: Final answer
    x = 480,621,829.80

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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.