Home / 1,259,208,030.80-1,888,812,046.20-741,106,629.20

Finding the Fourth Proportional to 1,259,208,030.80, 1,888,812,046.20 and 741,106,629.20

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Solution

The fourth proportional to 1,259,208,030.80, 1,888,812,046.20 and 741,106,629.20 is: 1,111,659,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,208,030.80 : 1,888,812,046.20 = 741,106,629.20 : x
  2. Step 2: Convert to fraction form
    1,259,208,030.80/1,888,812,046.20 = 741,106,629.20/x
  3. Step 3: Cross multiply
    1,259,208,030.80x = 1,888,812,046.20 × 741,106,629.20
  4. Step 4: Simplify right side
    1,259,208,030.80x = 1,399,811,128,751,636,736
  5. Step 5: Solve for x
    x = 1,399,811,128,751,636,736/1,259,208,030.80
  6. Step 6: Final answer
    x = 1,111,659,943.80

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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.