Home / 350,778,245,855.40-483,991,013,592.54-198,531,073,839.96

Finding the Fourth Proportional to 350,778,245,855.40, 483,991,013,592.54 and 198,531,073,839.96

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Solution

The fourth proportional to 350,778,245,855.40, 483,991,013,592.54 and 198,531,073,839.96 is: 273,925,925,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,778,245,855.40 : 483,991,013,592.54 = 198,531,073,839.96 : x
  2. Step 2: Convert to fraction form
    350,778,245,855.40/483,991,013,592.54 = 198,531,073,839.96/x
  3. Step 3: Cross multiply
    350,778,245,855.40x = 483,991,013,592.54 × 198,531,073,839.96
  4. Step 4: Simplify right side
    350,778,245,855.40x = 96,087,255,657,417,629,761,536
  5. Step 5: Solve for x
    x = 96,087,255,657,417,629,761,536/350,778,245,855.40
  6. Step 6: Final answer
    x = 273,925,925,546.21

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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.