Home / 1,085,493,683.49-1,628,422,137.81-852,314,988.97

Finding the Fourth Proportional to 1,085,493,683.49, 1,628,422,137.81 and 852,314,988.97

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Solution

The fourth proportional to 1,085,493,683.49, 1,628,422,137.81 and 852,314,988.97 is: 1,278,615,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,493,683.49 : 1,628,422,137.81 = 852,314,988.97 : x
  2. Step 2: Convert to fraction form
    1,085,493,683.49/1,628,422,137.81 = 852,314,988.97/x
  3. Step 3: Cross multiply
    1,085,493,683.49x = 1,628,422,137.81 × 852,314,988.97
  4. Step 4: Simplify right side
    1,085,493,683.49x = 1,387,928,596,428,069,632
  5. Step 5: Solve for x
    x = 1,387,928,596,428,069,632/1,085,493,683.49
  6. Step 6: Final answer
    x = 1,278,615,083.20

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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.