Home / 3,990,471,592.36-5,507,042,734.02-2,206,292,031.40

Finding the Fourth Proportional to 3,990,471,592.36, 5,507,042,734.02 and 2,206,292,031.40

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Solution

The fourth proportional to 3,990,471,592.36, 5,507,042,734.02 and 2,206,292,031.40 is: 3,044,789,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,471,592.36 : 5,507,042,734.02 = 2,206,292,031.40 : x
  2. Step 2: Convert to fraction form
    3,990,471,592.36/5,507,042,734.02 = 2,206,292,031.40/x
  3. Step 3: Cross multiply
    3,990,471,592.36x = 5,507,042,734.02 × 2,206,292,031.40
  4. Step 4: Simplify right side
    3,990,471,592.36x = 12,150,144,500,647,598,080
  5. Step 5: Solve for x
    x = 12,150,144,500,647,598,080/3,990,471,592.36
  6. Step 6: Final answer
    x = 3,044,789,123.15

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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.