Home / 1,274,939,865.99-1,912,965,581.30-446,487,808.82

Finding the Fourth Proportional to 1,274,939,865.99, 1,912,965,581.30 and 446,487,808.82

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Solution

The fourth proportional to 1,274,939,865.99, 1,912,965,581.30 and 446,487,808.82 is: 669,926,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,939,865.99 : 1,912,965,581.30 = 446,487,808.82 : x
  2. Step 2: Convert to fraction form
    1,274,939,865.99/1,912,965,581.30 = 446,487,808.82/x
  3. Step 3: Cross multiply
    1,274,939,865.99x = 1,912,965,581.30 × 446,487,808.82
  4. Step 4: Simplify right side
    1,274,939,865.99x = 854,115,810,730,917,376
  5. Step 5: Solve for x
    x = 854,115,810,730,917,376/1,274,939,865.99
  6. Step 6: Final answer
    x = 669,926,349.87

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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.