Home / 1,816,872,747.40-2,725,309,121.10-990,375,704.20

Finding the Fourth Proportional to 1,816,872,747.40, 2,725,309,121.10 and 990,375,704.20

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Solution

The fourth proportional to 1,816,872,747.40, 2,725,309,121.10 and 990,375,704.20 is: 1,485,563,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,872,747.40 : 2,725,309,121.10 = 990,375,704.20 : x
  2. Step 2: Convert to fraction form
    1,816,872,747.40/2,725,309,121.10 = 990,375,704.20/x
  3. Step 3: Cross multiply
    1,816,872,747.40x = 2,725,309,121.10 × 990,375,704.20
  4. Step 4: Simplify right side
    1,816,872,747.40x = 2,699,079,939,972,095,488
  5. Step 5: Solve for x
    x = 2,699,079,939,972,095,488/1,816,872,747.40
  6. Step 6: Final answer
    x = 1,485,563,556.30

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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.