Finding the Fourth Proportional to 411,954,957.62, 568,498,071.16 and 226,327,930.74
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Solution
The fourth proportional to 411,954,957.62, 568,498,071.16 and 226,327,930.74 is: 312,332,670.59
Step by Step Solution
- Step 1: Write the proportion equation
411,954,957.62 : 568,498,071.16 = 226,327,930.74 : x - Step 2: Convert to fraction form
411,954,957.62/568,498,071.16 = 226,327,930.74/x - Step 3: Cross multiply
411,954,957.62x = 568,498,071.16 × 226,327,930.74 - Step 4: Simplify right side
411,954,957.62x = 128,666,992,075,324,064 - Step 5: Solve for x
x = 128,666,992,075,324,064/411,954,957.62 - Step 6: Final answer
x = 312,332,670.59
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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.