Home / 696,561,705.12-1,044,993,723.12-211,874,916

Finding the Fourth Proportional to 696,561,705.12, 1,044,993,723.12 and 211,874,916

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Solution

The fourth proportional to 696,561,705.12, 1,044,993,723.12 and 211,874,916 is: 317,858,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,561,705.12 : 1,044,993,723.12 = 211,874,916 : x
  2. Step 2: Convert to fraction form
    696,561,705.12/1,044,993,723.12 = 211,874,916/x
  3. Step 3: Cross multiply
    696,561,705.12x = 1,044,993,723.12 × 211,874,916
  4. Step 4: Simplify right side
    696,561,705.12x = 221,407,957,306,577,248
  5. Step 5: Solve for x
    x = 221,407,957,306,577,248/696,561,705.12
  6. Step 6: Final answer
    x = 317,858,354.37

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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.