Home / 2,114,718,359.40-3,171,725,708.82-640,507,668.36

Finding the Fourth Proportional to 2,114,718,359.40, 3,171,725,708.82 and 640,507,668.36

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Solution

The fourth proportional to 2,114,718,359.40, 3,171,725,708.82 and 640,507,668.36 is: 960,654,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,718,359.40 : 3,171,725,708.82 = 640,507,668.36 : x
  2. Step 2: Convert to fraction form
    2,114,718,359.40/3,171,725,708.82 = 640,507,668.36/x
  3. Step 3: Cross multiply
    2,114,718,359.40x = 3,171,725,708.82 × 640,507,668.36
  4. Step 4: Simplify right side
    2,114,718,359.40x = 2,031,514,638,433,766,656
  5. Step 5: Solve for x
    x = 2,031,514,638,433,766,656/2,114,718,359.40
  6. Step 6: Final answer
    x = 960,654,939.89

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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.