Home / 939,874,870.56-1,409,655,936.48-284,670,119.04

Finding the Fourth Proportional to 939,874,870.56, 1,409,655,936.48 and 284,670,119.04

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Solution

The fourth proportional to 939,874,870.56, 1,409,655,936.48 and 284,670,119.04 is: 426,957,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,874,870.56 : 1,409,655,936.48 = 284,670,119.04 : x
  2. Step 2: Convert to fraction form
    939,874,870.56/1,409,655,936.48 = 284,670,119.04/x
  3. Step 3: Cross multiply
    939,874,870.56x = 1,409,655,936.48 × 284,670,119.04
  4. Step 4: Simplify right side
    939,874,870.56x = 401,286,923,243,204,288
  5. Step 5: Solve for x
    x = 401,286,923,243,204,288/939,874,870.56
  6. Step 6: Final answer
    x = 426,957,817.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.