Home / 1,648,768,020.90-2,474,378,069.04-666,203,103.78

Finding the Fourth Proportional to 1,648,768,020.90, 2,474,378,069.04 and 666,203,103.78

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Solution

The fourth proportional to 1,648,768,020.90, 2,474,378,069.04 and 666,203,103.78 is: 999,800,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,768,020.90 : 2,474,378,069.04 = 666,203,103.78 : x
  2. Step 2: Convert to fraction form
    1,648,768,020.90/2,474,378,069.04 = 666,203,103.78/x
  3. Step 3: Cross multiply
    1,648,768,020.90x = 2,474,378,069.04 × 666,203,103.78
  4. Step 4: Simplify right side
    1,648,768,020.90x = 1,648,438,349,519,611,136
  5. Step 5: Solve for x
    x = 1,648,438,349,519,611,136/1,648,768,020.90
  6. Step 6: Final answer
    x = 999,800,049.87

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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.