Home / 2,372,536,357.20-3,558,804,535.80-1,987,985,649.60

Finding the Fourth Proportional to 2,372,536,357.20, 3,558,804,535.80 and 1,987,985,649.60

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Solution

The fourth proportional to 2,372,536,357.20, 3,558,804,535.80 and 1,987,985,649.60 is: 2,981,978,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372,536,357.20 : 3,558,804,535.80 = 1,987,985,649.60 : x
  2. Step 2: Convert to fraction form
    2,372,536,357.20/3,558,804,535.80 = 1,987,985,649.60/x
  3. Step 3: Cross multiply
    2,372,536,357.20x = 3,558,804,535.80 × 1,987,985,649.60
  4. Step 4: Simplify right side
    2,372,536,357.20x = 7,074,852,346,901,789,696
  5. Step 5: Solve for x
    x = 7,074,852,346,901,789,696/2,372,536,357.20
  6. Step 6: Final answer
    x = 2,981,978,474.40

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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.