Home / 1,164,936,398.09-1,747,404,611.69-279,621,755.42

Finding the Fourth Proportional to 1,164,936,398.09, 1,747,404,611.69 and 279,621,755.42

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Solution

The fourth proportional to 1,164,936,398.09, 1,747,404,611.69 and 279,621,755.42 is: 419,432,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,936,398.09 : 1,747,404,611.69 = 279,621,755.42 : x
  2. Step 2: Convert to fraction form
    1,164,936,398.09/1,747,404,611.69 = 279,621,755.42/x
  3. Step 3: Cross multiply
    1,164,936,398.09x = 1,747,404,611.69 × 279,621,755.42
  4. Step 4: Simplify right side
    1,164,936,398.09x = 488,612,344,939,626,112
  5. Step 5: Solve for x
    x = 488,612,344,939,626,112/1,164,936,398.09
  6. Step 6: Final answer
    x = 419,432,636.62

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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.