Home / 256,577,067,630.50-354,076,703,959.78-139,254,713,395.64

Finding the Fourth Proportional to 256,577,067,630.50, 354,076,703,959.78 and 139,254,713,395.64

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Solution

The fourth proportional to 256,577,067,630.50, 354,076,703,959.78 and 139,254,713,395.64 is: 192,171,694,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577,067,630.50 : 354,076,703,959.78 = 139,254,713,395.64 : x
  2. Step 2: Convert to fraction form
    256,577,067,630.50/354,076,703,959.78 = 139,254,713,395.64/x
  3. Step 3: Cross multiply
    256,577,067,630.50x = 354,076,703,959.78 × 139,254,713,395.64
  4. Step 4: Simplify right side
    256,577,067,630.50x = 49,306,849,929,992,045,854,720
  5. Step 5: Solve for x
    x = 49,306,849,929,992,045,854,720/256,577,067,630.50
  6. Step 6: Final answer
    x = 192,171,694,786.85

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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.