Home / 319,211,034.60-478,428,358.41-225,864,900.30

Finding the Fourth Proportional to 319,211,034.60, 478,428,358.41 and 225,864,900.30

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Solution

The fourth proportional to 319,211,034.60, 478,428,358.41 and 225,864,900.30 is: 338,522,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,211,034.60 : 478,428,358.41 = 225,864,900.30 : x
  2. Step 2: Convert to fraction form
    319,211,034.60/478,428,358.41 = 225,864,900.30/x
  3. Step 3: Cross multiply
    319,211,034.60x = 478,428,358.41 × 225,864,900.30
  4. Step 4: Simplify right side
    319,211,034.60x = 108,060,173,472,967,328
  5. Step 5: Solve for x
    x = 108,060,173,472,967,328/319,211,034.60
  6. Step 6: Final answer
    x = 338,522,675.47

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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.