Home / 228,468,999.60-342,703,499.40-218,517,274.80

Finding the Fourth Proportional to 228,468,999.60, 342,703,499.40 and 218,517,274.80

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Solution

The fourth proportional to 228,468,999.60, 342,703,499.40 and 218,517,274.80 is: 327,775,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,468,999.60 : 342,703,499.40 = 218,517,274.80 : x
  2. Step 2: Convert to fraction form
    228,468,999.60/342,703,499.40 = 218,517,274.80/x
  3. Step 3: Cross multiply
    228,468,999.60x = 342,703,499.40 × 218,517,274.80
  4. Step 4: Simplify right side
    228,468,999.60x = 74,886,634,753,311,440
  5. Step 5: Solve for x
    x = 74,886,634,753,311,440/228,468,999.60
  6. Step 6: Final answer
    x = 327,775,912.20

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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.