Home / 1,728,946,077.30-2,389,966,731.72-1,542,621,091.23

Finding the Fourth Proportional to 1,728,946,077.30, 2,389,966,731.72 and 1,542,621,091.23

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Solution

The fourth proportional to 1,728,946,077.30, 2,389,966,731.72 and 1,542,621,091.23 is: 2,132,404,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,946,077.30 : 2,389,966,731.72 = 1,542,621,091.23 : x
  2. Step 2: Convert to fraction form
    1,728,946,077.30/2,389,966,731.72 = 1,542,621,091.23/x
  3. Step 3: Cross multiply
    1,728,946,077.30x = 2,389,966,731.72 × 1,542,621,091.23
  4. Step 4: Simplify right side
    1,728,946,077.30x = 3,686,813,087,689,302,528
  5. Step 5: Solve for x
    x = 3,686,813,087,689,302,528/1,728,946,077.30
  6. Step 6: Final answer
    x = 2,132,404,900.36

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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.