Home / 349,631,992.80-524,447,989.20-168,233,464.80

Finding the Fourth Proportional to 349,631,992.80, 524,447,989.20 and 168,233,464.80

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Solution

The fourth proportional to 349,631,992.80, 524,447,989.20 and 168,233,464.80 is: 252,350,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,631,992.80 : 524,447,989.20 = 168,233,464.80 : x
  2. Step 2: Convert to fraction form
    349,631,992.80/524,447,989.20 = 168,233,464.80/x
  3. Step 3: Cross multiply
    349,631,992.80x = 524,447,989.20 × 168,233,464.80
  4. Step 4: Simplify right side
    349,631,992.80x = 88,229,702,330,508,992
  5. Step 5: Solve for x
    x = 88,229,702,330,508,992/349,631,992.80
  6. Step 6: Final answer
    x = 252,350,197.20

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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.