Home / 319,783,696.08-479,852,910-156,022,798.56

Finding the Fourth Proportional to 319,783,696.08, 479,852,910 and 156,022,798.56

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Solution

The fourth proportional to 319,783,696.08, 479,852,910 and 156,022,798.56 is: 234,120,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,696.08 : 479,852,910 = 156,022,798.56 : x
  2. Step 2: Convert to fraction form
    319,783,696.08/479,852,910 = 156,022,798.56/x
  3. Step 3: Cross multiply
    319,783,696.08x = 479,852,910 × 156,022,798.56
  4. Step 4: Simplify right side
    319,783,696.08x = 74,867,993,915,359,808
  5. Step 5: Solve for x
    x = 74,867,993,915,359,808/319,783,696.08
  6. Step 6: Final answer
    x = 234,120,734.84

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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.