Home / 14,270,439,739.20-21,405,659,608.80-3,930,723,643.20

Finding the Fourth Proportional to 14,270,439,739.20, 21,405,659,608.80 and 3,930,723,643.20

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Solution

The fourth proportional to 14,270,439,739.20, 21,405,659,608.80 and 3,930,723,643.20 is: 5,896,085,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,439,739.20 : 21,405,659,608.80 = 3,930,723,643.20 : x
  2. Step 2: Convert to fraction form
    14,270,439,739.20/21,405,659,608.80 = 3,930,723,643.20/x
  3. Step 3: Cross multiply
    14,270,439,739.20x = 21,405,659,608.80 × 3,930,723,643.20
  4. Step 4: Simplify right side
    14,270,439,739.20x = 84,139,732,322,601,418,752
  5. Step 5: Solve for x
    x = 84,139,732,322,601,418,752/14,270,439,739.20
  6. Step 6: Final answer
    x = 5,896,085,464.80

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1.5x scale

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.