Home / 319,800,273.85-478,315,591.45-188,329,160.84

Finding the Fourth Proportional to 319,800,273.85, 478,315,591.45 and 188,329,160.84

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Solution

The fourth proportional to 319,800,273.85, 478,315,591.45 and 188,329,160.84 is: 281,678,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,800,273.85 : 478,315,591.45 = 188,329,160.84 : x
  2. Step 2: Convert to fraction form
    319,800,273.85/478,315,591.45 = 188,329,160.84/x
  3. Step 3: Cross multiply
    319,800,273.85x = 478,315,591.45 × 188,329,160.84
  4. Step 4: Simplify right side
    319,800,273.85x = 90,080,773,955,371,040
  5. Step 5: Solve for x
    x = 90,080,773,955,371,040/319,800,273.85
  6. Step 6: Final answer
    x = 281,678,226.44

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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.