Home / 319,304,273.60-478,816,442.40-146,723,729.60

Finding the Fourth Proportional to 319,304,273.60, 478,816,442.40 and 146,723,729.60

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Solution

The fourth proportional to 319,304,273.60, 478,816,442.40 and 146,723,729.60 is: 220,021,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,304,273.60 : 478,816,442.40 = 146,723,729.60 : x
  2. Step 2: Convert to fraction form
    319,304,273.60/478,816,442.40 = 146,723,729.60/x
  3. Step 3: Cross multiply
    319,304,273.60x = 478,816,442.40 × 146,723,729.60
  4. Step 4: Simplify right side
    319,304,273.60x = 70,253,734,222,731,568
  5. Step 5: Solve for x
    x = 70,253,734,222,731,568/319,304,273.60
  6. Step 6: Final answer
    x = 220,021,277.61

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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.