Home / 1,556,090,847.72-2,147,398,949.88-841,627,198.44

Finding the Fourth Proportional to 1,556,090,847.72, 2,147,398,949.88 and 841,627,198.44

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Solution

The fourth proportional to 1,556,090,847.72, 2,147,398,949.88 and 841,627,198.44 is: 1,161,442,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,090,847.72 : 2,147,398,949.88 = 841,627,198.44 : x
  2. Step 2: Convert to fraction form
    1,556,090,847.72/2,147,398,949.88 = 841,627,198.44/x
  3. Step 3: Cross multiply
    1,556,090,847.72x = 2,147,398,949.88 × 841,627,198.44
  4. Step 4: Simplify right side
    1,556,090,847.72x = 1,807,309,362,120,502,528
  5. Step 5: Solve for x
    x = 1,807,309,362,120,502,528/1,556,090,847.72
  6. Step 6: Final answer
    x = 1,161,442,061.54

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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.