Home / 319,895,264.41-441,456,065.22-178,766,485.80

Finding the Fourth Proportional to 319,895,264.41, 441,456,065.22 and 178,766,485.80

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Solution

The fourth proportional to 319,895,264.41, 441,456,065.22 and 178,766,485.80 is: 246,698,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,895,264.41 : 441,456,065.22 = 178,766,485.80 : x
  2. Step 2: Convert to fraction form
    319,895,264.41/441,456,065.22 = 178,766,485.80/x
  3. Step 3: Cross multiply
    319,895,264.41x = 441,456,065.22 × 178,766,485.80
  4. Step 4: Simplify right side
    319,895,264.41x = 78,917,549,414,714,160
  5. Step 5: Solve for x
    x = 78,917,549,414,714,160/319,895,264.41
  6. Step 6: Final answer
    x = 246,698,085.88

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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.