Home / 441,774,145.20-662,661,217.80-319,330,138.80

Finding the Fourth Proportional to 441,774,145.20, 662,661,217.80 and 319,330,138.80

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Solution

The fourth proportional to 441,774,145.20, 662,661,217.80 and 319,330,138.80 is: 478,995,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,774,145.20 : 662,661,217.80 = 319,330,138.80 : x
  2. Step 2: Convert to fraction form
    441,774,145.20/662,661,217.80 = 319,330,138.80/x
  3. Step 3: Cross multiply
    441,774,145.20x = 662,661,217.80 × 319,330,138.80
  4. Step 4: Simplify right side
    441,774,145.20x = 211,607,698,657,451,008
  5. Step 5: Solve for x
    x = 211,607,698,657,451,008/441,774,145.20
  6. Step 6: Final answer
    x = 478,995,208.20

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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.