Home / 319,800,275.36-478,315,593.69-188,329,162.35

Finding the Fourth Proportional to 319,800,275.36, 478,315,593.69 and 188,329,162.35

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Solution

The fourth proportional to 319,800,275.36, 478,315,593.69 and 188,329,162.35 is: 281,678,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,800,275.36 : 478,315,593.69 = 188,329,162.35 : x
  2. Step 2: Convert to fraction form
    319,800,275.36/478,315,593.69 = 188,329,162.35/x
  3. Step 3: Cross multiply
    319,800,275.36x = 478,315,593.69 × 188,329,162.35
  4. Step 4: Simplify right side
    319,800,275.36x = 90,080,775,098,580,640
  5. Step 5: Solve for x
    x = 90,080,775,098,580,640/319,800,275.36
  6. Step 6: Final answer
    x = 281,678,228.69

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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.