Home / 298,676,278.81-412,171,792.46-173,253,840.85

Finding the Fourth Proportional to 298,676,278.81, 412,171,792.46 and 173,253,840.85

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Solution

The fourth proportional to 298,676,278.81, 412,171,792.46 and 173,253,840.85 is: 239,089,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,676,278.81 : 412,171,792.46 = 173,253,840.85 : x
  2. Step 2: Convert to fraction form
    298,676,278.81/412,171,792.46 = 173,253,840.85/x
  3. Step 3: Cross multiply
    298,676,278.81x = 412,171,792.46 × 173,253,840.85
  4. Step 4: Simplify right side
    298,676,278.81x = 71,410,346,130,796,936
  5. Step 5: Solve for x
    x = 71,410,346,130,796,936/298,676,278.81
  6. Step 6: Final answer
    x = 239,089,446.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.