Home / 538,160,409.60-807,240,614.40-343,493,571.30

Finding the Fourth Proportional to 538,160,409.60, 807,240,614.40 and 343,493,571.30

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Solution

The fourth proportional to 538,160,409.60, 807,240,614.40 and 343,493,571.30 is: 515,240,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,160,409.60 : 807,240,614.40 = 343,493,571.30 : x
  2. Step 2: Convert to fraction form
    538,160,409.60/807,240,614.40 = 343,493,571.30/x
  3. Step 3: Cross multiply
    538,160,409.60x = 807,240,614.40 × 343,493,571.30
  4. Step 4: Simplify right side
    538,160,409.60x = 277,281,961,538,662,208
  5. Step 5: Solve for x
    x = 277,281,961,538,662,208/538,160,409.60
  6. Step 6: Final answer
    x = 515,240,356.95

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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.