Home / 1,851,926,826.72-2,555,661,820.64-1,005,154,453.20

Finding the Fourth Proportional to 1,851,926,826.72, 2,555,661,820.64 and 1,005,154,453.20

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Solution

The fourth proportional to 1,851,926,826.72, 2,555,661,820.64 and 1,005,154,453.20 is: 1,387,114,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,926,826.72 : 2,555,661,820.64 = 1,005,154,453.20 : x
  2. Step 2: Convert to fraction form
    1,851,926,826.72/2,555,661,820.64 = 1,005,154,453.20/x
  3. Step 3: Cross multiply
    1,851,926,826.72x = 2,555,661,820.64 × 1,005,154,453.20
  4. Step 4: Simplify right side
    1,851,926,826.72x = 2,568,834,859,889,515,520
  5. Step 5: Solve for x
    x = 2,568,834,859,889,515,520/1,851,926,826.72
  6. Step 6: Final answer
    x = 1,387,114,665.02

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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.