Home / 1,818,856,685.80-2,728,285,028.70-1,635,190,676.20

Finding the Fourth Proportional to 1,818,856,685.80, 2,728,285,028.70 and 1,635,190,676.20

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Solution

The fourth proportional to 1,818,856,685.80, 2,728,285,028.70 and 1,635,190,676.20 is: 2,452,786,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,856,685.80 : 2,728,285,028.70 = 1,635,190,676.20 : x
  2. Step 2: Convert to fraction form
    1,818,856,685.80/2,728,285,028.70 = 1,635,190,676.20/x
  3. Step 3: Cross multiply
    1,818,856,685.80x = 2,728,285,028.70 × 1,635,190,676.20
  4. Step 4: Simplify right side
    1,818,856,685.80x = 4,461,266,240,946,289,152
  5. Step 5: Solve for x
    x = 4,461,266,240,946,289,152/1,818,856,685.80
  6. Step 6: Final answer
    x = 2,452,786,014.30

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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.