Home / 1,556,090,866.72-2,147,398,976.08-841,627,217.44

Finding the Fourth Proportional to 1,556,090,866.72, 2,147,398,976.08 and 841,627,217.44

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Solution

The fourth proportional to 1,556,090,866.72, 2,147,398,976.08 and 841,627,217.44 is: 1,161,442,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,090,866.72 : 2,147,398,976.08 = 841,627,217.44 : x
  2. Step 2: Convert to fraction form
    1,556,090,866.72/2,147,398,976.08 = 841,627,217.44/x
  3. Step 3: Cross multiply
    1,556,090,866.72x = 2,147,398,976.08 × 841,627,217.44
  4. Step 4: Simplify right side
    1,556,090,866.72x = 1,807,309,424,971,715,584
  5. Step 5: Solve for x
    x = 1,807,309,424,971,715,584/1,556,090,866.72
  6. Step 6: Final answer
    x = 1,161,442,087.75

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Double scale
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1.5x scale

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.