Home / 424,397,372.69-585,668,401.32-236,221,615.66

Finding the Fourth Proportional to 424,397,372.69, 585,668,401.32 and 236,221,615.66

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Solution

The fourth proportional to 424,397,372.69, 585,668,401.32 and 236,221,615.66 is: 325,985,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,397,372.69 : 585,668,401.32 = 236,221,615.66 : x
  2. Step 2: Convert to fraction form
    424,397,372.69/585,668,401.32 = 236,221,615.66/x
  3. Step 3: Cross multiply
    424,397,372.69x = 585,668,401.32 × 236,221,615.66
  4. Step 4: Simplify right side
    424,397,372.69x = 138,347,536,000,008,976
  5. Step 5: Solve for x
    x = 138,347,536,000,008,976/424,397,372.69
  6. Step 6: Final answer
    x = 325,985,844.64

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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.