Home / 319,800,275.49-478,315,593.89-188,329,162.48

Finding the Fourth Proportional to 319,800,275.49, 478,315,593.89 and 188,329,162.48

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Solution

The fourth proportional to 319,800,275.49, 478,315,593.89 and 188,329,162.48 is: 281,678,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,800,275.49 : 478,315,593.89 = 188,329,162.48 : x
  2. Step 2: Convert to fraction form
    319,800,275.49/478,315,593.89 = 188,329,162.48/x
  3. Step 3: Cross multiply
    319,800,275.49x = 478,315,593.89 × 188,329,162.48
  4. Step 4: Simplify right side
    319,800,275.49x = 90,080,775,198,427,504
  5. Step 5: Solve for x
    x = 90,080,775,198,427,504/319,800,275.49
  6. Step 6: Final answer
    x = 281,678,228.89

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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.