Home / 2,629,873,948.75-3,951,104,172.86-1,686,320,668.92

Finding the Fourth Proportional to 2,629,873,948.75, 3,951,104,172.86 and 1,686,320,668.92

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Solution

The fourth proportional to 2,629,873,948.75, 3,951,104,172.86 and 1,686,320,668.92 is: 2,533,516,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,873,948.75 : 3,951,104,172.86 = 1,686,320,668.92 : x
  2. Step 2: Convert to fraction form
    2,629,873,948.75/3,951,104,172.86 = 1,686,320,668.92/x
  3. Step 3: Cross multiply
    2,629,873,948.75x = 3,951,104,172.86 × 1,686,320,668.92
  4. Step 4: Simplify right side
    2,629,873,948.75x = 6,662,828,631,768,714,240
  5. Step 5: Solve for x
    x = 6,662,828,631,768,714,240/2,629,873,948.75
  6. Step 6: Final answer
    x = 2,533,516,343.98

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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.