Finding the Fourth Proportional to 340,647,934.33, 470,181,614.99 and 221,866,519.13
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Solution
The fourth proportional to 340,647,934.33, 470,181,614.99 and 221,866,519.13 is: 306,232,763.39
Step by Step Solution
- Step 1: Write the proportion equation
340,647,934.33 : 470,181,614.99 = 221,866,519.13 : x - Step 2: Convert to fraction form
340,647,934.33/470,181,614.99 = 221,866,519.13/x - Step 3: Cross multiply
340,647,934.33x = 470,181,614.99 × 221,866,519.13 - Step 4: Simplify right side
340,647,934.33x = 104,317,558,273,292,896 - Step 5: Solve for x
x = 104,317,558,273,292,896/340,647,934.33 - Step 6: Final answer
x = 306,232,763.39
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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.