Home / 3,989,105,864.70-5,983,658,797.05-1,922,863,256.70

Finding the Fourth Proportional to 3,989,105,864.70, 5,983,658,797.05 and 1,922,863,256.70

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Solution

The fourth proportional to 3,989,105,864.70, 5,983,658,797.05 and 1,922,863,256.70 is: 2,884,294,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,105,864.70 : 5,983,658,797.05 = 1,922,863,256.70 : x
  2. Step 2: Convert to fraction form
    3,989,105,864.70/5,983,658,797.05 = 1,922,863,256.70/x
  3. Step 3: Cross multiply
    3,989,105,864.70x = 5,983,658,797.05 × 1,922,863,256.70
  4. Step 4: Simplify right side
    3,989,105,864.70x = 11,505,757,641,477,167,104
  5. Step 5: Solve for x
    x = 11,505,757,641,477,167,104/3,989,105,864.70
  6. Step 6: Final answer
    x = 2,884,294,885.05

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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.