Home / 414,485,514.40-621,728,271.60-293,453,629.60

Finding the Fourth Proportional to 414,485,514.40, 621,728,271.60 and 293,453,629.60

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Solution

The fourth proportional to 414,485,514.40, 621,728,271.60 and 293,453,629.60 is: 440,180,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,485,514.40 : 621,728,271.60 = 293,453,629.60 : x
  2. Step 2: Convert to fraction form
    414,485,514.40/621,728,271.60 = 293,453,629.60/x
  3. Step 3: Cross multiply
    414,485,514.40x = 621,728,271.60 × 293,453,629.60
  4. Step 4: Simplify right side
    414,485,514.40x = 182,448,417,925,954,624
  5. Step 5: Solve for x
    x = 182,448,417,925,954,624/414,485,514.40
  6. Step 6: Final answer
    x = 440,180,444.40

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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.