Finding the Fourth Proportional to 674,018,270.83, 930,146,478.29 and 376,660,514.62
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Solution
The fourth proportional to 674,018,270.83, 930,146,478.29 and 376,660,514.62 is: 519,792,216.84
Step by Step Solution
- Step 1: Write the proportion equation
674,018,270.83 : 930,146,478.29 = 376,660,514.62 : x - Step 2: Convert to fraction form
674,018,270.83/930,146,478.29 = 376,660,514.62/x - Step 3: Cross multiply
674,018,270.83x = 930,146,478.29 × 376,660,514.62 - Step 4: Simplify right side
674,018,270.83x = 350,349,451,184,692,032 - Step 5: Solve for x
x = 350,349,451,184,692,032/674,018,270.83 - Step 6: Final answer
x = 519,792,216.84
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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.