Home / 1,485,167,660.25-2,049,547,683.74-816,112,878.27

Finding the Fourth Proportional to 1,485,167,660.25, 2,049,547,683.74 and 816,112,878.27

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Solution

The fourth proportional to 1,485,167,660.25, 2,049,547,683.74 and 816,112,878.27 is: 1,126,244,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,167,660.25 : 2,049,547,683.74 = 816,112,878.27 : x
  2. Step 2: Convert to fraction form
    1,485,167,660.25/2,049,547,683.74 = 816,112,878.27/x
  3. Step 3: Cross multiply
    1,485,167,660.25x = 2,049,547,683.74 × 816,112,878.27
  4. Step 4: Simplify right side
    1,485,167,660.25x = 1,672,662,259,324,582,400
  5. Step 5: Solve for x
    x = 1,672,662,259,324,582,400/1,485,167,660.25
  6. Step 6: Final answer
    x = 1,126,244,735.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.