Home / 491,632,043.68-678,444,194.40-268,608,925.84

Finding the Fourth Proportional to 491,632,043.68, 678,444,194.40 and 268,608,925.84

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Solution

The fourth proportional to 491,632,043.68, 678,444,194.40 and 268,608,925.84 is: 370,675,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,632,043.68 : 678,444,194.40 = 268,608,925.84 : x
  2. Step 2: Convert to fraction form
    491,632,043.68/678,444,194.40 = 268,608,925.84/x
  3. Step 3: Cross multiply
    491,632,043.68x = 678,444,194.40 × 268,608,925.84
  4. Step 4: Simplify right side
    491,632,043.68x = 182,236,166,300,168,128
  5. Step 5: Solve for x
    x = 182,236,166,300,168,128/491,632,043.68
  6. Step 6: Final answer
    x = 370,675,932.63

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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.