Home / 1,556,090,867.72-2,147,398,977.46-841,627,218.44

Finding the Fourth Proportional to 1,556,090,867.72, 2,147,398,977.46 and 841,627,218.44

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Solution

The fourth proportional to 1,556,090,867.72, 2,147,398,977.46 and 841,627,218.44 is: 1,161,442,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,090,867.72 : 2,147,398,977.46 = 841,627,218.44 : x
  2. Step 2: Convert to fraction form
    1,556,090,867.72/2,147,398,977.46 = 841,627,218.44/x
  3. Step 3: Cross multiply
    1,556,090,867.72x = 2,147,398,977.46 × 841,627,218.44
  4. Step 4: Simplify right side
    1,556,090,867.72x = 1,807,309,428,280,560,128
  5. Step 5: Solve for x
    x = 1,807,309,428,280,560,128/1,556,090,867.72
  6. Step 6: Final answer
    x = 1,161,442,089.13

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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.