Home / 18,724,234,917.05-28,091,035,388.95-5,459,493,198.19

Finding the Fourth Proportional to 18,724,234,917.05, 28,091,035,388.95 and 5,459,493,198.19

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Solution

The fourth proportional to 18,724,234,917.05, 28,091,035,388.95 and 5,459,493,198.19 is: 8,190,605,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,234,917.05 : 28,091,035,388.95 = 5,459,493,198.19 : x
  2. Step 2: Convert to fraction form
    18,724,234,917.05/28,091,035,388.95 = 5,459,493,198.19/x
  3. Step 3: Cross multiply
    18,724,234,917.05x = 28,091,035,388.95 × 5,459,493,198.19
  4. Step 4: Simplify right side
    18,724,234,917.05x = 153,362,816,636,072,886,272
  5. Step 5: Solve for x
    x = 153,362,816,636,072,886,272/18,724,234,917.05
  6. Step 6: Final answer
    x = 8,190,605,240.51

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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.