Home / 5,199,510,942.76-7,175,325,101.16-2,971,890,961.24

Finding the Fourth Proportional to 5,199,510,942.76, 7,175,325,101.16 and 2,971,890,961.24

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Solution

The fourth proportional to 5,199,510,942.76, 7,175,325,101.16 and 2,971,890,961.24 is: 4,101,209,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,942.76 : 7,175,325,101.16 = 2,971,890,961.24 : x
  2. Step 2: Convert to fraction form
    5,199,510,942.76/7,175,325,101.16 = 2,971,890,961.24/x
  3. Step 3: Cross multiply
    5,199,510,942.76x = 7,175,325,101.16 × 2,971,890,961.24
  4. Step 4: Simplify right side
    5,199,510,942.76x = 21,324,283,812,095,889,408
  5. Step 5: Solve for x
    x = 21,324,283,812,095,889,408/5,199,510,942.76
  6. Step 6: Final answer
    x = 4,101,209,526.60

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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.