Home / 420,060,301.22-579,668,022.86-231,884,556.28

Finding the Fourth Proportional to 420,060,301.22, 579,668,022.86 and 231,884,556.28

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Solution

The fourth proportional to 420,060,301.22, 579,668,022.86 and 231,884,556.28 is: 319,992,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060,301.22 : 579,668,022.86 = 231,884,556.28 : x
  2. Step 2: Convert to fraction form
    420,060,301.22/579,668,022.86 = 231,884,556.28/x
  3. Step 3: Cross multiply
    420,060,301.22x = 579,668,022.86 × 231,884,556.28
  4. Step 4: Simplify right side
    420,060,301.22x = 134,416,062,270,596,000
  5. Step 5: Solve for x
    x = 134,416,062,270,596,000/420,060,301.22
  6. Step 6: Final answer
    x = 319,992,300.82

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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.