Home / 443,232,021.45-621,545,196.75-443,232,021.45

Finding the Fourth Proportional to 443,232,021.45, 621,545,196.75 and 443,232,021.45

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Solution

The fourth proportional to 443,232,021.45, 621,545,196.75 and 443,232,021.45 is: 621,545,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,021.45 : 621,545,196.75 = 443,232,021.45 : x
  2. Step 2: Convert to fraction form
    443,232,021.45/621,545,196.75 = 443,232,021.45/x
  3. Step 3: Cross multiply
    443,232,021.45x = 621,545,196.75 × 443,232,021.45
  4. Step 4: Simplify right side
    443,232,021.45x = 275,488,733,978,040,448
  5. Step 5: Solve for x
    x = 275,488,733,978,040,448/443,232,021.45
  6. Step 6: Final answer
    x = 621,545,196.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.