Home / 1,623,043,513.17-2,239,611,090.99-908,618,187.38

Finding the Fourth Proportional to 1,623,043,513.17, 2,239,611,090.99 and 908,618,187.38

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Solution

The fourth proportional to 1,623,043,513.17, 2,239,611,090.99 and 908,618,187.38 is: 1,253,787,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,043,513.17 : 2,239,611,090.99 = 908,618,187.38 : x
  2. Step 2: Convert to fraction form
    1,623,043,513.17/2,239,611,090.99 = 908,618,187.38/x
  3. Step 3: Cross multiply
    1,623,043,513.17x = 2,239,611,090.99 × 908,618,187.38
  4. Step 4: Simplify right side
    1,623,043,513.17x = 2,034,951,369,923,079,424
  5. Step 5: Solve for x
    x = 2,034,951,369,923,079,424/1,623,043,513.17
  6. Step 6: Final answer
    x = 1,253,787,315.87

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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.