Home / 639,787,147,156.36-882,906,049,971.40-350,749,200,741.72

Finding the Fourth Proportional to 639,787,147,156.36, 882,906,049,971.40 and 350,749,200,741.72

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Solution

The fourth proportional to 639,787,147,156.36, 882,906,049,971.40 and 350,749,200,741.72 is: 484,033,780,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,787,147,156.36 : 882,906,049,971.40 = 350,749,200,741.72 : x
  2. Step 2: Convert to fraction form
    639,787,147,156.36/882,906,049,971.40 = 350,749,200,741.72/x
  3. Step 3: Cross multiply
    639,787,147,156.36x = 882,906,049,971.40 × 350,749,200,741.72
  4. Step 4: Simplify right side
    639,787,147,156.36x = 309,678,591,357,497,638,912,000
  5. Step 5: Solve for x
    x = 309,678,591,357,497,638,912,000/639,787,147,156.36
  6. Step 6: Final answer
    x = 484,033,780,193.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.