Home / 1,679,512,123.38-2,317,727,728-936,956,186.94

Finding the Fourth Proportional to 1,679,512,123.38, 2,317,727,728 and 936,956,186.94

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Solution

The fourth proportional to 1,679,512,123.38, 2,317,727,728 and 936,956,186.94 is: 1,293,000,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,512,123.38 : 2,317,727,728 = 936,956,186.94 : x
  2. Step 2: Convert to fraction form
    1,679,512,123.38/2,317,727,728 = 936,956,186.94/x
  3. Step 3: Cross multiply
    1,679,512,123.38x = 2,317,727,728 × 936,956,186.94
  4. Step 4: Simplify right side
    1,679,512,123.38x = 2,171,609,334,391,989,504
  5. Step 5: Solve for x
    x = 2,171,609,334,391,989,504/1,679,512,123.38
  6. Step 6: Final answer
    x = 1,293,000,094.59

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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.