Home / 3,078,237,560.43-4,247,854,028.55-1,668,511,256.12

Finding the Fourth Proportional to 3,078,237,560.43, 4,247,854,028.55 and 1,668,511,256.12

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Solution

The fourth proportional to 3,078,237,560.43, 4,247,854,028.55 and 1,668,511,256.12 is: 2,302,483,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,237,560.43 : 4,247,854,028.55 = 1,668,511,256.12 : x
  2. Step 2: Convert to fraction form
    3,078,237,560.43/4,247,854,028.55 = 1,668,511,256.12/x
  3. Step 3: Cross multiply
    3,078,237,560.43x = 4,247,854,028.55 × 1,668,511,256.12
  4. Step 4: Simplify right side
    3,078,237,560.43x = 7,087,592,260,969,123,840
  5. Step 5: Solve for x
    x = 7,087,592,260,969,123,840/3,078,237,560.43
  6. Step 6: Final answer
    x = 2,302,483,847.28

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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.