Finding the Fourth Proportional to 343,644,588.36, 474,245,147.95 and 202,521,764.73
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Solution
The fourth proportional to 343,644,588.36, 474,245,147.95 and 202,521,764.73 is: 279,489,238.39
Step by Step Solution
- Step 1: Write the proportion equation
343,644,588.36 : 474,245,147.95 = 202,521,764.73 : x - Step 2: Convert to fraction form
343,644,588.36/474,245,147.95 = 202,521,764.73/x - Step 3: Cross multiply
343,644,588.36x = 474,245,147.95 × 202,521,764.73 - Step 4: Simplify right side
343,644,588.36x = 96,044,964,277,473,936 - Step 5: Solve for x
x = 96,044,964,277,473,936/343,644,588.36 - Step 6: Final answer
x = 279,489,238.39
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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.