Home / 342,143,998.40-513,215,997.60-332,066,302.40

Finding the Fourth Proportional to 342,143,998.40, 513,215,997.60 and 332,066,302.40

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Solution

The fourth proportional to 342,143,998.40, 513,215,997.60 and 332,066,302.40 is: 498,099,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,143,998.40 : 513,215,997.60 = 332,066,302.40 : x
  2. Step 2: Convert to fraction form
    342,143,998.40/513,215,997.60 = 332,066,302.40/x
  3. Step 3: Cross multiply
    342,143,998.40x = 513,215,997.60 × 332,066,302.40
  4. Step 4: Simplify right side
    342,143,998.40x = 170,421,738,655,559,264
  5. Step 5: Solve for x
    x = 170,421,738,655,559,264/342,143,998.40
  6. Step 6: Final answer
    x = 498,099,453.60

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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.