Finding the Fourth Proportional to 367,062,437.86, 506,559,531.05 and 199,790,620.63
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Solution
The fourth proportional to 367,062,437.86, 506,559,531.05 and 199,790,620.63 is: 275,718,331.97
Step by Step Solution
- Step 1: Write the proportion equation
367,062,437.86 : 506,559,531.05 = 199,790,620.63 : x - Step 2: Convert to fraction form
367,062,437.86/506,559,531.05 = 199,790,620.63/x - Step 3: Cross multiply
367,062,437.86x = 506,559,531.05 × 199,790,620.63 - Step 4: Simplify right side
367,062,437.86x = 101,205,843,094,521,248 - Step 5: Solve for x
x = 101,205,843,094,521,248/367,062,437.86 - Step 6: Final answer
x = 275,718,331.97
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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.