Home / 380,621,148.48-525,246,980.76-223,997,481.36

Finding the Fourth Proportional to 380,621,148.48, 525,246,980.76 and 223,997,481.36

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Solution

The fourth proportional to 380,621,148.48, 525,246,980.76 and 223,997,481.36 is: 309,110,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,621,148.48 : 525,246,980.76 = 223,997,481.36 : x
  2. Step 2: Convert to fraction form
    380,621,148.48/525,246,980.76 = 223,997,481.36/x
  3. Step 3: Cross multiply
    380,621,148.48x = 525,246,980.76 × 223,997,481.36
  4. Step 4: Simplify right side
    380,621,148.48x = 117,654,000,782,184,384
  5. Step 5: Solve for x
    x = 117,654,000,782,184,384/380,621,148.48
  6. Step 6: Final answer
    x = 309,110,519.09

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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.