Home / 1,820,198,905.02-2,511,856,631.43-984,805,145.82

Finding the Fourth Proportional to 1,820,198,905.02, 2,511,856,631.43 and 984,805,145.82

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Solution

The fourth proportional to 1,820,198,905.02, 2,511,856,631.43 and 984,805,145.82 is: 1,359,021,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,198,905.02 : 2,511,856,631.43 = 984,805,145.82 : x
  2. Step 2: Convert to fraction form
    1,820,198,905.02/2,511,856,631.43 = 984,805,145.82/x
  3. Step 3: Cross multiply
    1,820,198,905.02x = 2,511,856,631.43 × 984,805,145.82
  4. Step 4: Simplify right side
    1,820,198,905.02x = 2,473,689,336,194,355,200
  5. Step 5: Solve for x
    x = 2,473,689,336,194,355,200/1,820,198,905.02
  6. Step 6: Final answer
    x = 1,359,021,439.56

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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.