Home / 7,170,082,716.89-9,894,723,680.94-3,954,920,603.60

Finding the Fourth Proportional to 7,170,082,716.89, 9,894,723,680.94 and 3,954,920,603.60

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Solution

The fourth proportional to 7,170,082,716.89, 9,894,723,680.94 and 3,954,920,603.60 is: 5,457,795,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,082,716.89 : 9,894,723,680.94 = 3,954,920,603.60 : x
  2. Step 2: Convert to fraction form
    7,170,082,716.89/9,894,723,680.94 = 3,954,920,603.60/x
  3. Step 3: Cross multiply
    7,170,082,716.89x = 9,894,723,680.94 × 3,954,920,603.60
  4. Step 4: Simplify right side
    7,170,082,716.89x = 39,132,846,552,678,440,960
  5. Step 5: Solve for x
    x = 39,132,846,552,678,440,960/7,170,082,716.89
  6. Step 6: Final answer
    x = 5,457,795,690.49

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Double scale
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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.