Home / 347,390,713.09-479,407,513.11-188,627,527.61

Finding the Fourth Proportional to 347,390,713.09, 479,407,513.11 and 188,627,527.61

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Solution

The fourth proportional to 347,390,713.09, 479,407,513.11 and 188,627,527.61 is: 260,310,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,390,713.09 : 479,407,513.11 = 188,627,527.61 : x
  2. Step 2: Convert to fraction form
    347,390,713.09/479,407,513.11 = 188,627,527.61/x
  3. Step 3: Cross multiply
    347,390,713.09x = 479,407,513.11 × 188,627,527.61
  4. Step 4: Simplify right side
    347,390,713.09x = 90,429,453,914,291,344
  5. Step 5: Solve for x
    x = 90,429,453,914,291,344/347,390,713.09
  6. Step 6: Final answer
    x = 260,310,510.64

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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.