Home / 646,916,879.12-970,030,066.48-335,711,147.68

Finding the Fourth Proportional to 646,916,879.12, 970,030,066.48 and 335,711,147.68

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Solution

The fourth proportional to 646,916,879.12, 970,030,066.48 and 335,711,147.68 is: 503,387,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,916,879.12 : 970,030,066.48 = 335,711,147.68 : x
  2. Step 2: Convert to fraction form
    646,916,879.12/970,030,066.48 = 335,711,147.68/x
  3. Step 3: Cross multiply
    646,916,879.12x = 970,030,066.48 × 335,711,147.68
  4. Step 4: Simplify right side
    646,916,879.12x = 325,649,906,902,107,520
  5. Step 5: Solve for x
    x = 325,649,906,902,107,520/646,916,879.12
  6. Step 6: Final answer
    x = 503,387,556.29

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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.