Finding the Fourth Proportional to 704,467,942.02, 972,177,468.84 and 386,957,547
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Solution
The fourth proportional to 704,467,942.02, 972,177,468.84 and 386,957,547 is: 534,007,846.42
Step by Step Solution
- Step 1: Write the proportion equation
704,467,942.02 : 972,177,468.84 = 386,957,547 : x - Step 2: Convert to fraction form
704,467,942.02/972,177,468.84 = 386,957,547/x - Step 3: Cross multiply
704,467,942.02x = 972,177,468.84 × 386,957,547 - Step 4: Simplify right side
704,467,942.02x = 376,191,408,590,995,328 - Step 5: Solve for x
x = 376,191,408,590,995,328/704,467,942.02 - Step 6: Final answer
x = 534,007,846.42
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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.