Home / 319,304,273.10-478,816,441.65-146,723,729.10

Finding the Fourth Proportional to 319,304,273.10, 478,816,441.65 and 146,723,729.10

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Solution

The fourth proportional to 319,304,273.10, 478,816,441.65 and 146,723,729.10 is: 220,021,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,304,273.10 : 478,816,441.65 = 146,723,729.10 : x
  2. Step 2: Convert to fraction form
    319,304,273.10/478,816,441.65 = 146,723,729.10/x
  3. Step 3: Cross multiply
    319,304,273.10x = 478,816,441.65 × 146,723,729.10
  4. Step 4: Simplify right side
    319,304,273.10x = 70,253,733,873,280,552
  5. Step 5: Solve for x
    x = 70,253,733,873,280,552/319,304,273.10
  6. Step 6: Final answer
    x = 220,021,276.86

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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.