Home / 253,123,634,742.87-349,310,961,855.97-137,380,396,158.04

Finding the Fourth Proportional to 253,123,634,742.87, 349,310,961,855.97 and 137,380,396,158.04

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Solution

The fourth proportional to 253,123,634,742.87, 349,310,961,855.97 and 137,380,396,158.04 is: 189,585,134,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,123,634,742.87 : 349,310,961,855.97 = 137,380,396,158.04 : x
  2. Step 2: Convert to fraction form
    253,123,634,742.87/349,310,961,855.97 = 137,380,396,158.04/x
  3. Step 3: Cross multiply
    253,123,634,742.87x = 349,310,961,855.97 × 137,380,396,158.04
  4. Step 4: Simplify right side
    253,123,634,742.87x = 47,988,478,322,119,150,665,728
  5. Step 5: Solve for x
    x = 47,988,478,322,119,150,665,728/253,123,634,742.87
  6. Step 6: Final answer
    x = 189,585,134,437.83

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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.