Home / 661,716,328.20-992,611,817.10-201,669,505.80

Finding the Fourth Proportional to 661,716,328.20, 992,611,817.10 and 201,669,505.80

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Solution

The fourth proportional to 661,716,328.20, 992,611,817.10 and 201,669,505.80 is: 302,515,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,716,328.20 : 992,611,817.10 = 201,669,505.80 : x
  2. Step 2: Convert to fraction form
    661,716,328.20/992,611,817.10 = 201,669,505.80/x
  3. Step 3: Cross multiply
    661,716,328.20x = 992,611,817.10 × 201,669,505.80
  4. Step 4: Simplify right side
    661,716,328.20x = 200,179,534,605,796,992
  5. Step 5: Solve for x
    x = 200,179,534,605,796,992/661,716,328.20
  6. Step 6: Final answer
    x = 302,515,634.08

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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.