Home / 1,261,137,080.19-1,740,422,043.45-725,289,163.55

Finding the Fourth Proportional to 1,261,137,080.19, 1,740,422,043.45 and 725,289,163.55

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Solution

The fourth proportional to 1,261,137,080.19, 1,740,422,043.45 and 725,289,163.55 is: 1,000,929,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,137,080.19 : 1,740,422,043.45 = 725,289,163.55 : x
  2. Step 2: Convert to fraction form
    1,261,137,080.19/1,740,422,043.45 = 725,289,163.55/x
  3. Step 3: Cross multiply
    1,261,137,080.19x = 1,740,422,043.45 × 725,289,163.55
  4. Step 4: Simplify right side
    1,261,137,080.19x = 1,262,309,248,115,656,960
  5. Step 5: Solve for x
    x = 1,262,309,248,115,656,960/1,261,137,080.19
  6. Step 6: Final answer
    x = 1,000,929,453.22

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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.