Home / 5,199,510,912.80-7,175,325,059.80-2,971,890,931.28

Finding the Fourth Proportional to 5,199,510,912.80, 7,175,325,059.80 and 2,971,890,931.28

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Solution

The fourth proportional to 5,199,510,912.80, 7,175,325,059.80 and 2,971,890,931.28 is: 4,101,209,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,912.80 : 7,175,325,059.80 = 2,971,890,931.28 : x
  2. Step 2: Convert to fraction form
    5,199,510,912.80/7,175,325,059.80 = 2,971,890,931.28/x
  3. Step 3: Cross multiply
    5,199,510,912.80x = 7,175,325,059.80 × 2,971,890,931.28
  4. Step 4: Simplify right side
    5,199,510,912.80x = 21,324,283,474,205,745,152
  5. Step 5: Solve for x
    x = 21,324,283,474,205,745,152/5,199,510,912.80
  6. Step 6: Final answer
    x = 4,101,209,485.24

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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.