Home / 1,380,605,847.29-2,071,199,617.70-447,855,863.80

Finding the Fourth Proportional to 1,380,605,847.29, 2,071,199,617.70 and 447,855,863.80

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Solution

The fourth proportional to 1,380,605,847.29, 2,071,199,617.70 and 447,855,863.80 is: 671,878,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,605,847.29 : 2,071,199,617.70 = 447,855,863.80 : x
  2. Step 2: Convert to fraction form
    1,380,605,847.29/2,071,199,617.70 = 447,855,863.80/x
  3. Step 3: Cross multiply
    1,380,605,847.29x = 2,071,199,617.70 × 447,855,863.80
  4. Step 4: Simplify right side
    1,380,605,847.29x = 927,598,893,878,027,008
  5. Step 5: Solve for x
    x = 927,598,893,878,027,008/1,380,605,847.29
  6. Step 6: Final answer
    x = 671,878,143.71

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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.