Home / 874,425,101.39-1,311,867,707.88-314,243,523.04

Finding the Fourth Proportional to 874,425,101.39, 1,311,867,707.88 and 314,243,523.04

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Solution

The fourth proportional to 874,425,101.39, 1,311,867,707.88 and 314,243,523.04 is: 471,447,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,425,101.39 : 1,311,867,707.88 = 314,243,523.04 : x
  2. Step 2: Convert to fraction form
    874,425,101.39/1,311,867,707.88 = 314,243,523.04/x
  3. Step 3: Cross multiply
    874,425,101.39x = 1,311,867,707.88 × 314,243,523.04
  4. Step 4: Simplify right side
    874,425,101.39x = 412,245,930,280,061,504
  5. Step 5: Solve for x
    x = 412,245,930,280,061,504/874,425,101.39
  6. Step 6: Final answer
    x = 471,447,960.07

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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.