Home / 486,200,980.71-729,364,250.21-223,822,249.47

Finding the Fourth Proportional to 486,200,980.71, 729,364,250.21 and 223,822,249.47

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Solution

The fourth proportional to 486,200,980.71, 729,364,250.21 and 223,822,249.47 is: 335,762,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,200,980.71 : 729,364,250.21 = 223,822,249.47 : x
  2. Step 2: Convert to fraction form
    486,200,980.71/729,364,250.21 = 223,822,249.47/x
  3. Step 3: Cross multiply
    486,200,980.71x = 729,364,250.21 × 223,822,249.47
  4. Step 4: Simplify right side
    486,200,980.71x = 163,247,947,163,883,008
  5. Step 5: Solve for x
    x = 163,247,947,163,883,008/486,200,980.71
  6. Step 6: Final answer
    x = 335,762,274.53

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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.