Home / 3,847,213,419.12-5,774,551,826.22-1,856,656,317.42

Finding the Fourth Proportional to 3,847,213,419.12, 5,774,551,826.22 and 1,856,656,317.42

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Solution

The fourth proportional to 3,847,213,419.12, 5,774,551,826.22 and 1,856,656,317.42 is: 2,786,785,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,213,419.12 : 5,774,551,826.22 = 1,856,656,317.42 : x
  2. Step 2: Convert to fraction form
    3,847,213,419.12/5,774,551,826.22 = 1,856,656,317.42/x
  3. Step 3: Cross multiply
    3,847,213,419.12x = 5,774,551,826.22 × 1,856,656,317.42
  4. Step 4: Simplify right side
    3,847,213,419.12x = 10,721,358,128,420,562,944
  5. Step 5: Solve for x
    x = 10,721,358,128,420,562,944/3,847,213,419.12
  6. Step 6: Final answer
    x = 2,786,785,384.75

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1.5x scale

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.