Home / 852,473,028.10-1,278,755,380.47-270,252,674.47

Finding the Fourth Proportional to 852,473,028.10, 1,278,755,380.47 and 270,252,674.47

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Solution

The fourth proportional to 852,473,028.10, 1,278,755,380.47 and 270,252,674.47 is: 405,393,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,473,028.10 : 1,278,755,380.47 = 270,252,674.47 : x
  2. Step 2: Convert to fraction form
    852,473,028.10/1,278,755,380.47 = 270,252,674.47/x
  3. Step 3: Cross multiply
    852,473,028.10x = 1,278,755,380.47 × 270,252,674.47
  4. Step 4: Simplify right side
    852,473,028.10x = 345,587,061,564,919,936
  5. Step 5: Solve for x
    x = 345,587,061,564,919,936/852,473,028.10
  6. Step 6: Final answer
    x = 405,393,543.46

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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.