Home / 3,078,237,629.80-4,247,854,123.92-1,668,511,325.44

Finding the Fourth Proportional to 3,078,237,629.80, 4,247,854,123.92 and 1,668,511,325.44

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Solution

The fourth proportional to 3,078,237,629.80, 4,247,854,123.92 and 1,668,511,325.44 is: 2,302,483,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,629.80 : 4,247,854,123.92 = 1,668,511,325.44 : x
  2. Step 2: Convert to fraction form
    3,078,237,629.80/4,247,854,123.92 = 1,668,511,325.44/x
  3. Step 3: Cross multiply
    3,078,237,629.80x = 4,247,854,123.92 × 1,668,511,325.44
  4. Step 4: Simplify right side
    3,078,237,629.80x = 7,087,592,714,577,529,856
  5. Step 5: Solve for x
    x = 7,087,592,714,577,529,856/3,078,237,629.80
  6. Step 6: Final answer
    x = 2,302,483,942.75

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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.