Home / 2,133,816,789.90-3,198,390,288.87-1,098,739,783.02

Finding the Fourth Proportional to 2,133,816,789.90, 3,198,390,288.87 and 1,098,739,783.02

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Solution

The fourth proportional to 2,133,816,789.90, 3,198,390,288.87 and 1,098,739,783.02 is: 1,646,907,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,816,789.90 : 3,198,390,288.87 = 1,098,739,783.02 : x
  2. Step 2: Convert to fraction form
    2,133,816,789.90/3,198,390,288.87 = 1,098,739,783.02/x
  3. Step 3: Cross multiply
    2,133,816,789.90x = 3,198,390,288.87 × 1,098,739,783.02
  4. Step 4: Simplify right side
    2,133,816,789.90x = 3,514,198,652,006,298,624
  5. Step 5: Solve for x
    x = 3,514,198,652,006,298,624/2,133,816,789.90
  6. Step 6: Final answer
    x = 1,646,907,395.54

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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.