Home / 3,902,105,923.40-5,384,761,981.44-2,117,921,069.48

Finding the Fourth Proportional to 3,902,105,923.40, 5,384,761,981.44 and 2,117,921,069.48

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Solution

The fourth proportional to 3,902,105,923.40, 5,384,761,981.44 and 2,117,921,069.48 is: 2,922,652,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,105,923.40 : 5,384,761,981.44 = 2,117,921,069.48 : x
  2. Step 2: Convert to fraction form
    3,902,105,923.40/5,384,761,981.44 = 2,117,921,069.48/x
  3. Step 3: Cross multiply
    3,902,105,923.40x = 5,384,761,981.44 × 2,117,921,069.48
  4. Step 4: Simplify right side
    3,902,105,923.40x = 11,404,500,854,626,648,064
  5. Step 5: Solve for x
    x = 11,404,500,854,626,648,064/3,902,105,923.40
  6. Step 6: Final answer
    x = 2,922,652,813.25

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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.