Home / 1,261,137,076.27-1,740,422,038.02-725,289,159.61

Finding the Fourth Proportional to 1,261,137,076.27, 1,740,422,038.02 and 725,289,159.61

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Solution

The fourth proportional to 1,261,137,076.27, 1,740,422,038.02 and 725,289,159.61 is: 1,000,929,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,137,076.27 : 1,740,422,038.02 = 725,289,159.61 : x
  2. Step 2: Convert to fraction form
    1,261,137,076.27/1,740,422,038.02 = 725,289,159.61/x
  3. Step 3: Cross multiply
    1,261,137,076.27x = 1,740,422,038.02 × 725,289,159.61
  4. Step 4: Simplify right side
    1,261,137,076.27x = 1,262,309,237,322,249,216
  5. Step 5: Solve for x
    x = 1,262,309,237,322,249,216/1,261,137,076.27
  6. Step 6: Final answer
    x = 1,000,929,447.78

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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.