Home / 238,279,310,830.80-328,813,564,677.52-135,382,839,037.33

Finding the Fourth Proportional to 238,279,310,830.80, 328,813,564,677.52 and 135,382,839,037.33

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Solution

The fourth proportional to 238,279,310,830.80, 328,813,564,677.52 and 135,382,839,037.33 is: 186,821,565,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279,310,830.80 : 328,813,564,677.52 = 135,382,839,037.33 : x
  2. Step 2: Convert to fraction form
    238,279,310,830.80/328,813,564,677.52 = 135,382,839,037.33/x
  3. Step 3: Cross multiply
    238,279,310,830.80x = 328,813,564,677.52 × 135,382,839,037.33
  4. Step 4: Simplify right side
    238,279,310,830.80x = 44,515,713,900,027,391,770,624
  5. Step 5: Solve for x
    x = 44,515,713,900,027,391,770,624/238,279,310,830.80
  6. Step 6: Final answer
    x = 186,821,565,602.22

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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.