Home / 613,347,899,396.85-920,040,592,066.01-210,425,717,805.82

Finding the Fourth Proportional to 613,347,899,396.85, 920,040,592,066.01 and 210,425,717,805.82

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Solution

The fourth proportional to 613,347,899,396.85, 920,040,592,066.01 and 210,425,717,805.82 is: 315,645,006,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,396.85 : 920,040,592,066.01 = 210,425,717,805.82 : x
  2. Step 2: Convert to fraction form
    613,347,899,396.85/920,040,592,066.01 = 210,425,717,805.82/x
  3. Step 3: Cross multiply
    613,347,899,396.85x = 920,040,592,066.01 × 210,425,717,805.82
  4. Step 4: Simplify right side
    613,347,899,396.85x = 193,600,201,995,981,795,885,056
  5. Step 5: Solve for x
    x = 193,600,201,995,981,795,885,056/613,347,899,396.85
  6. Step 6: Final answer
    x = 315,645,006,995.81

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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.