Home / 1,987,197,868.22-2,742,253,216.72-1,082,934,600.92

Finding the Fourth Proportional to 1,987,197,868.22, 2,742,253,216.72 and 1,082,934,600.92

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Solution

The fourth proportional to 1,987,197,868.22, 2,742,253,216.72 and 1,082,934,600.92 is: 1,494,406,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,197,868.22 : 2,742,253,216.72 = 1,082,934,600.92 : x
  2. Step 2: Convert to fraction form
    1,987,197,868.22/2,742,253,216.72 = 1,082,934,600.92/x
  3. Step 3: Cross multiply
    1,987,197,868.22x = 2,742,253,216.72 × 1,082,934,600.92
  4. Step 4: Simplify right side
    1,987,197,868.22x = 2,969,680,892,853,840,896
  5. Step 5: Solve for x
    x = 2,969,680,892,853,840,896/1,987,197,868.22
  6. Step 6: Final answer
    x = 1,494,406,239.23

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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.