Home / 5,778,718,296.90-7,974,672,064.39-3,138,519,408.90

Finding the Fourth Proportional to 5,778,718,296.90, 7,974,672,064.39 and 3,138,519,408.90

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Solution

The fourth proportional to 5,778,718,296.90, 7,974,672,064.39 and 3,138,519,408.90 is: 4,331,178,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778,718,296.90 : 7,974,672,064.39 = 3,138,519,408.90 : x
  2. Step 2: Convert to fraction form
    5,778,718,296.90/7,974,672,064.39 = 3,138,519,408.90/x
  3. Step 3: Cross multiply
    5,778,718,296.90x = 7,974,672,064.39 × 3,138,519,408.90
  4. Step 4: Simplify right side
    5,778,718,296.90x = 25,028,663,053,656,387,584
  5. Step 5: Solve for x
    x = 25,028,663,053,656,387,584/5,778,718,296.90
  6. Step 6: Final answer
    x = 4,331,178,951.41

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1.5x scale

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.