Home / 238,279,310,833.80-328,813,564,681.66-135,382,839,040.34

Finding the Fourth Proportional to 238,279,310,833.80, 328,813,564,681.66 and 135,382,839,040.34

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Solution

The fourth proportional to 238,279,310,833.80, 328,813,564,681.66 and 135,382,839,040.34 is: 186,821,565,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279,310,833.80 : 328,813,564,681.66 = 135,382,839,040.34 : x
  2. Step 2: Convert to fraction form
    238,279,310,833.80/328,813,564,681.66 = 135,382,839,040.34/x
  3. Step 3: Cross multiply
    238,279,310,833.80x = 328,813,564,681.66 × 135,382,839,040.34
  4. Step 4: Simplify right side
    238,279,310,833.80x = 44,515,713,901,577,598,140,416
  5. Step 5: Solve for x
    x = 44,515,713,901,577,598,140,416/238,279,310,833.80
  6. Step 6: Final answer
    x = 186,821,565,606.37

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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.