Home / 1,007,974,864.78-1,512,504,368.82-971,286,171.05

Finding the Fourth Proportional to 1,007,974,864.78, 1,512,504,368.82 and 971,286,171.05

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Solution

The fourth proportional to 1,007,974,864.78, 1,512,504,368.82 and 971,286,171.05 is: 1,457,451,597.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,974,864.78 : 1,512,504,368.82 = 971,286,171.05 : x
  2. Step 2: Convert to fraction form
    1,007,974,864.78/1,512,504,368.82 = 971,286,171.05/x
  3. Step 3: Cross multiply
    1,007,974,864.78x = 1,512,504,368.82 × 971,286,171.05
  4. Step 4: Simplify right side
    1,007,974,864.78x = 1,469,074,577,080,166,400
  5. Step 5: Solve for x
    x = 1,469,074,577,080,166,400/1,007,974,864.78
  6. Step 6: Final answer
    x = 1,457,451,597.66

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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.