Home / 1,861,108,340.78-2,568,321,749.32-1,025,730,917.66

Finding the Fourth Proportional to 1,861,108,340.78, 2,568,321,749.32 and 1,025,730,917.66

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Solution

The fourth proportional to 1,861,108,340.78, 2,568,321,749.32 and 1,025,730,917.66 is: 1,415,504,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,108,340.78 : 2,568,321,749.32 = 1,025,730,917.66 : x
  2. Step 2: Convert to fraction form
    1,861,108,340.78/2,568,321,749.32 = 1,025,730,917.66/x
  3. Step 3: Cross multiply
    1,861,108,340.78x = 2,568,321,749.32 × 1,025,730,917.66
  4. Step 4: Simplify right side
    1,861,108,340.78x = 2,634,407,024,776,140,288
  5. Step 5: Solve for x
    x = 2,634,407,024,776,140,288/1,861,108,340.78
  6. Step 6: Final answer
    x = 1,415,504,389.00

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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.