Home / 1,297,318,492.89-1,790,290,647.54-702,589,299.57

Finding the Fourth Proportional to 1,297,318,492.89, 1,790,290,647.54 and 702,589,299.57

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Solution

The fourth proportional to 1,297,318,492.89, 1,790,290,647.54 and 702,589,299.57 is: 969,568,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,318,492.89 : 1,790,290,647.54 = 702,589,299.57 : x
  2. Step 2: Convert to fraction form
    1,297,318,492.89/1,790,290,647.54 = 702,589,299.57/x
  3. Step 3: Cross multiply
    1,297,318,492.89x = 1,790,290,647.54 × 702,589,299.57
  4. Step 4: Simplify right side
    1,297,318,492.89x = 1,257,839,052,081,850,368
  5. Step 5: Solve for x
    x = 1,257,839,052,081,850,368/1,297,318,492.89
  6. Step 6: Final answer
    x = 969,568,428.24

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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.