Home / 525,566,213.64-788,394,163.68-137,388,422.16

Finding the Fourth Proportional to 525,566,213.64, 788,394,163.68 and 137,388,422.16

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Solution

The fourth proportional to 525,566,213.64, 788,394,163.68 and 137,388,422.16 is: 206,094,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,566,213.64 : 788,394,163.68 = 137,388,422.16 : x
  2. Step 2: Convert to fraction form
    525,566,213.64/788,394,163.68 = 137,388,422.16/x
  3. Step 3: Cross multiply
    525,566,213.64x = 788,394,163.68 × 137,388,422.16
  4. Step 4: Simplify right side
    525,566,213.64x = 108,316,230,188,147,968
  5. Step 5: Solve for x
    x = 108,316,230,188,147,968/525,566,213.64
  6. Step 6: Final answer
    x = 206,094,355.72

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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.