Home / 347,825,223.59-479,995,979.15-191,190,665.21

Finding the Fourth Proportional to 347,825,223.59, 479,995,979.15 and 191,190,665.21

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Solution

The fourth proportional to 347,825,223.59, 479,995,979.15 and 191,190,665.21 is: 263,841,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,825,223.59 : 479,995,979.15 = 191,190,665.21 : x
  2. Step 2: Convert to fraction form
    347,825,223.59/479,995,979.15 = 191,190,665.21/x
  3. Step 3: Cross multiply
    347,825,223.59x = 479,995,979.15 × 191,190,665.21
  4. Step 4: Simplify right side
    347,825,223.59x = 91,770,750,549,891,792
  5. Step 5: Solve for x
    x = 91,770,750,549,891,792/347,825,223.59
  6. Step 6: Final answer
    x = 263,841,562.74

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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.