Home / 256,577,067,648.57-354,076,703,984.78-139,254,713,413.74

Finding the Fourth Proportional to 256,577,067,648.57, 354,076,703,984.78 and 139,254,713,413.74

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Solution

The fourth proportional to 256,577,067,648.57, 354,076,703,984.78 and 139,254,713,413.74 is: 192,171,694,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,577,067,648.57 : 354,076,703,984.78 = 139,254,713,413.74 : x
  2. Step 2: Convert to fraction form
    256,577,067,648.57/354,076,703,984.78 = 139,254,713,413.74/x
  3. Step 3: Cross multiply
    256,577,067,648.57x = 354,076,703,984.78 × 139,254,713,413.74
  4. Step 4: Simplify right side
    256,577,067,648.57x = 49,306,849,939,882,189,520,896
  5. Step 5: Solve for x
    x = 49,306,849,939,882,189,520,896/256,577,067,648.57
  6. Step 6: Final answer
    x = 192,171,694,811.86

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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.