Home / 3,175,449,389.76-4,382,123,760.72-1,765,723,084.32

Finding the Fourth Proportional to 3,175,449,389.76, 4,382,123,760.72 and 1,765,723,084.32

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Solution

The fourth proportional to 3,175,449,389.76, 4,382,123,760.72 and 1,765,723,084.32 is: 2,436,699,859.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,449,389.76 : 4,382,123,760.72 = 1,765,723,084.32 : x
  2. Step 2: Convert to fraction form
    3,175,449,389.76/4,382,123,760.72 = 1,765,723,084.32/x
  3. Step 3: Cross multiply
    3,175,449,389.76x = 4,382,123,760.72 × 1,765,723,084.32
  4. Step 4: Simplify right side
    3,175,449,389.76x = 7,737,617,082,650,476,544
  5. Step 5: Solve for x
    x = 7,737,617,082,650,476,544/3,175,449,389.76
  6. Step 6: Final answer
    x = 2,436,699,859.74

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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.