Home / 350,458,568.45-483,781,739.22-218,364,828.67

Finding the Fourth Proportional to 350,458,568.45, 483,781,739.22 and 218,364,828.67

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Solution

The fourth proportional to 350,458,568.45, 483,781,739.22 and 218,364,828.67 is: 301,436,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,458,568.45 : 483,781,739.22 = 218,364,828.67 : x
  2. Step 2: Convert to fraction form
    350,458,568.45/483,781,739.22 = 218,364,828.67/x
  3. Step 3: Cross multiply
    350,458,568.45x = 483,781,739.22 × 218,364,828.67
  4. Step 4: Simplify right side
    350,458,568.45x = 105,640,916,594,939,184
  5. Step 5: Solve for x
    x = 105,640,916,594,939,184/350,458,568.45
  6. Step 6: Final answer
    x = 301,436,249.84

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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.