Home / 648,108,927.04-972,081,388.56-205,455,873.52

Finding the Fourth Proportional to 648,108,927.04, 972,081,388.56 and 205,455,873.52

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Solution

The fourth proportional to 648,108,927.04, 972,081,388.56 and 205,455,873.52 is: 308,157,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,108,927.04 : 972,081,388.56 = 205,455,873.52 : x
  2. Step 2: Convert to fraction form
    648,108,927.04/972,081,388.56 = 205,455,873.52/x
  3. Step 3: Cross multiply
    648,108,927.04x = 972,081,388.56 × 205,455,873.52
  4. Step 4: Simplify right side
    648,108,927.04x = 199,719,830,819,129,344
  5. Step 5: Solve for x
    x = 199,719,830,819,129,344/648,108,927.04
  6. Step 6: Final answer
    x = 308,157,814.97

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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.