Home / 1,861,108,341.78-2,568,321,750.69-1,025,730,918.66

Finding the Fourth Proportional to 1,861,108,341.78, 2,568,321,750.69 and 1,025,730,918.66

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Solution

The fourth proportional to 1,861,108,341.78, 2,568,321,750.69 and 1,025,730,918.66 is: 1,415,504,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,108,341.78 : 2,568,321,750.69 = 1,025,730,918.66 : x
  2. Step 2: Convert to fraction form
    1,861,108,341.78/2,568,321,750.69 = 1,025,730,918.66/x
  3. Step 3: Cross multiply
    1,861,108,341.78x = 2,568,321,750.69 × 1,025,730,918.66
  4. Step 4: Simplify right side
    1,861,108,341.78x = 2,634,407,028,749,713,408
  5. Step 5: Solve for x
    x = 2,634,407,028,749,713,408/1,861,108,341.78
  6. Step 6: Final answer
    x = 1,415,504,390.37

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Double scale
Find fourth proportional to 1,861,108,342.78, 2,568,321,752.07 and 1,025,730,919.66
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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.