Home / 9,987,948,620.64-13,772,325,920.40-6,365,236,361.40

Finding the Fourth Proportional to 9,987,948,620.64, 13,772,325,920.40 and 6,365,236,361.40

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Solution

The fourth proportional to 9,987,948,620.64, 13,772,325,920.40 and 6,365,236,361.40 is: 8,776,988,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987,948,620.64 : 13,772,325,920.40 = 6,365,236,361.40 : x
  2. Step 2: Convert to fraction form
    9,987,948,620.64/13,772,325,920.40 = 6,365,236,361.40/x
  3. Step 3: Cross multiply
    9,987,948,620.64x = 13,772,325,920.40 × 6,365,236,361.40
  4. Step 4: Simplify right side
    9,987,948,620.64x = 87,664,109,729,581,793,280
  5. Step 5: Solve for x
    x = 87,664,109,729,581,793,280/9,987,948,620.64
  6. Step 6: Final answer
    x = 8,776,988,454.71

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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.