Home / 1,738,299,478.20-2,608,597,838.10-818,438,844.60

Finding the Fourth Proportional to 1,738,299,478.20, 2,608,597,838.10 and 818,438,844.60

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Solution

The fourth proportional to 1,738,299,478.20, 2,608,597,838.10 and 818,438,844.60 is: 1,228,199,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,299,478.20 : 2,608,597,838.10 = 818,438,844.60 : x
  2. Step 2: Convert to fraction form
    1,738,299,478.20/2,608,597,838.10 = 818,438,844.60/x
  3. Step 3: Cross multiply
    1,738,299,478.20x = 2,608,597,838.10 × 818,438,844.60
  4. Step 4: Simplify right side
    1,738,299,478.20x = 2,134,977,800,640,621,824
  5. Step 5: Solve for x
    x = 2,134,977,800,640,621,824/1,738,299,478.20
  6. Step 6: Final answer
    x = 1,228,199,068.93

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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.