Home / 436,839,669.45-655,259,504.18-207,257,157.45

Finding the Fourth Proportional to 436,839,669.45, 655,259,504.18 and 207,257,157.45

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Solution

The fourth proportional to 436,839,669.45, 655,259,504.18 and 207,257,157.45 is: 310,885,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,839,669.45 : 655,259,504.18 = 207,257,157.45 : x
  2. Step 2: Convert to fraction form
    436,839,669.45/655,259,504.18 = 207,257,157.45/x
  3. Step 3: Cross multiply
    436,839,669.45x = 655,259,504.18 × 207,257,157.45
  4. Step 4: Simplify right side
    436,839,669.45x = 135,807,222,227,406,896
  5. Step 5: Solve for x
    x = 135,807,222,227,406,896/436,839,669.45
  6. Step 6: Final answer
    x = 310,885,736.18

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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.