Home / 426,630,411.20-639,945,618.35-119,922,524.08

Finding the Fourth Proportional to 426,630,411.20, 639,945,618.35 and 119,922,524.08

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Solution

The fourth proportional to 426,630,411.20, 639,945,618.35 and 119,922,524.08 is: 179,883,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,630,411.20 : 639,945,618.35 = 119,922,524.08 : x
  2. Step 2: Convert to fraction form
    426,630,411.20/639,945,618.35 = 119,922,524.08/x
  3. Step 3: Cross multiply
    426,630,411.20x = 639,945,618.35 × 119,922,524.08
  4. Step 4: Simplify right side
    426,630,411.20x = 76,743,893,824,268,896
  5. Step 5: Solve for x
    x = 76,743,893,824,268,896/426,630,411.20
  6. Step 6: Final answer
    x = 179,883,786.55

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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.