Home / 1,926,236,604.81-2,888,646,196.14-665,379,847.81

Finding the Fourth Proportional to 1,926,236,604.81, 2,888,646,196.14 and 665,379,847.81

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Solution

The fourth proportional to 1,926,236,604.81, 2,888,646,196.14 and 665,379,847.81 is: 997,824,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,236,604.81 : 2,888,646,196.14 = 665,379,847.81 : x
  2. Step 2: Convert to fraction form
    1,926,236,604.81/2,888,646,196.14 = 665,379,847.81/x
  3. Step 3: Cross multiply
    1,926,236,604.81x = 2,888,646,196.14 × 665,379,847.81
  4. Step 4: Simplify right side
    1,926,236,604.81x = 1,922,046,966,364,568,320
  5. Step 5: Solve for x
    x = 1,922,046,966,364,568,320/1,926,236,604.81
  6. Step 6: Final answer
    x = 997,824,961.67

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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.