Home / 1,093,107,108.92-1,638,343,307.78-502,081,774.38

Finding the Fourth Proportional to 1,093,107,108.92, 1,638,343,307.78 and 502,081,774.38

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Solution

The fourth proportional to 1,093,107,108.92, 1,638,343,307.78 and 502,081,774.38 is: 752,517,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,107,108.92 : 1,638,343,307.78 = 502,081,774.38 : x
  2. Step 2: Convert to fraction form
    1,093,107,108.92/1,638,343,307.78 = 502,081,774.38/x
  3. Step 3: Cross multiply
    1,093,107,108.92x = 1,638,343,307.78 × 502,081,774.38
  4. Step 4: Simplify right side
    1,093,107,108.92x = 822,582,315,013,780,864
  5. Step 5: Solve for x
    x = 822,582,315,013,780,864/1,093,107,108.92
  6. Step 6: Final answer
    x = 752,517,578.84

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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.