Home / 1,623,043,521.82-2,239,611,102.94-908,618,196.02

Finding the Fourth Proportional to 1,623,043,521.82, 2,239,611,102.94 and 908,618,196.02

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Solution

The fourth proportional to 1,623,043,521.82, 2,239,611,102.94 and 908,618,196.02 is: 1,253,787,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,043,521.82 : 2,239,611,102.94 = 908,618,196.02 : x
  2. Step 2: Convert to fraction form
    1,623,043,521.82/2,239,611,102.94 = 908,618,196.02/x
  3. Step 3: Cross multiply
    1,623,043,521.82x = 2,239,611,102.94 × 908,618,196.02
  4. Step 4: Simplify right side
    1,623,043,521.82x = 2,034,951,400,139,705,344
  5. Step 5: Solve for x
    x = 2,034,951,400,139,705,344/1,623,043,521.82
  6. Step 6: Final answer
    x = 1,253,787,327.81

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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.