Home / 2,519,667,015.30-3,779,500,522.95-1,999,279,988.10

Finding the Fourth Proportional to 2,519,667,015.30, 3,779,500,522.95 and 1,999,279,988.10

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Solution

The fourth proportional to 2,519,667,015.30, 3,779,500,522.95 and 1,999,279,988.10 is: 2,998,919,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,667,015.30 : 3,779,500,522.95 = 1,999,279,988.10 : x
  2. Step 2: Convert to fraction form
    2,519,667,015.30/3,779,500,522.95 = 1,999,279,988.10/x
  3. Step 3: Cross multiply
    2,519,667,015.30x = 3,779,500,522.95 × 1,999,279,988.10
  4. Step 4: Simplify right side
    2,519,667,015.30x = 7,556,279,760,547,419,136
  5. Step 5: Solve for x
    x = 7,556,279,760,547,419,136/2,519,667,015.30
  6. Step 6: Final answer
    x = 2,998,919,982.15

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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.