Home / 661,716,325.20-992,611,812.60-201,669,502.80

Finding the Fourth Proportional to 661,716,325.20, 992,611,812.60 and 201,669,502.80

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Solution

The fourth proportional to 661,716,325.20, 992,611,812.60 and 201,669,502.80 is: 302,515,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,716,325.20 : 992,611,812.60 = 201,669,502.80 : x
  2. Step 2: Convert to fraction form
    661,716,325.20/992,611,812.60 = 201,669,502.80/x
  3. Step 3: Cross multiply
    661,716,325.20x = 992,611,812.60 × 201,669,502.80
  4. Step 4: Simplify right side
    661,716,325.20x = 200,179,530,720,448,800
  5. Step 5: Solve for x
    x = 200,179,530,720,448,800/661,716,325.20
  6. Step 6: Final answer
    x = 302,515,629.58

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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.