Home / 3,878,079,772.29-5,817,936,749.67-1,257,679,553.51

Finding the Fourth Proportional to 3,878,079,772.29, 5,817,936,749.67 and 1,257,679,553.51

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Solution

The fourth proportional to 3,878,079,772.29, 5,817,936,749.67 and 1,257,679,553.51 is: 1,886,784,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,079,772.29 : 5,817,936,749.67 = 1,257,679,553.51 : x
  2. Step 2: Convert to fraction form
    3,878,079,772.29/5,817,936,749.67 = 1,257,679,553.51/x
  3. Step 3: Cross multiply
    3,878,079,772.29x = 5,817,936,749.67 × 1,257,679,553.51
  4. Step 4: Simplify right side
    3,878,079,772.29x = 7,317,100,093,645,297,664
  5. Step 5: Solve for x
    x = 7,317,100,093,645,297,664/3,878,079,772.29
  6. Step 6: Final answer
    x = 1,886,784,316.80

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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.