Home / 3,211,369,899.45-4,431,331,022.47-1,782,501,238.84

Finding the Fourth Proportional to 3,211,369,899.45, 4,431,331,022.47 and 1,782,501,238.84

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Solution

The fourth proportional to 3,211,369,899.45, 4,431,331,022.47 and 1,782,501,238.84 is: 2,459,652,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,369,899.45 : 4,431,331,022.47 = 1,782,501,238.84 : x
  2. Step 2: Convert to fraction form
    3,211,369,899.45/4,431,331,022.47 = 1,782,501,238.84/x
  3. Step 3: Cross multiply
    3,211,369,899.45x = 4,431,331,022.47 × 1,782,501,238.84
  4. Step 4: Simplify right side
    3,211,369,899.45x = 7,898,853,037,253,986,304
  5. Step 5: Solve for x
    x = 7,898,853,037,253,986,304/3,211,369,899.45
  6. Step 6: Final answer
    x = 2,459,652,199.71

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1.5x scale

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.