Home / 1,728,946,067.18-2,389,966,717.75-1,542,621,081.11

Finding the Fourth Proportional to 1,728,946,067.18, 2,389,966,717.75 and 1,542,621,081.11

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Solution

The fourth proportional to 1,728,946,067.18, 2,389,966,717.75 and 1,542,621,081.11 is: 2,132,404,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,946,067.18 : 2,389,966,717.75 = 1,542,621,081.11 : x
  2. Step 2: Convert to fraction form
    1,728,946,067.18/2,389,966,717.75 = 1,542,621,081.11/x
  3. Step 3: Cross multiply
    1,728,946,067.18x = 2,389,966,717.75 × 1,542,621,081.11
  4. Step 4: Simplify right side
    1,728,946,067.18x = 3,686,813,041,936,616,960
  5. Step 5: Solve for x
    x = 3,686,813,041,936,616,960/1,728,946,067.18
  6. Step 6: Final answer
    x = 2,132,404,886.38

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Double scale
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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.