Finding the Fourth Proportional to 374,985,880.70, 517,473,591.73 and 207,718,471.82
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Solution
The fourth proportional to 374,985,880.70, 517,473,591.73 and 207,718,471.82 is: 286,647,655.85
Step by Step Solution
- Step 1: Write the proportion equation
374,985,880.70 : 517,473,591.73 = 207,718,471.82 : x - Step 2: Convert to fraction form
374,985,880.70/517,473,591.73 = 207,718,471.82/x - Step 3: Cross multiply
374,985,880.70x = 517,473,591.73 × 207,718,471.82 - Step 4: Simplify right side
374,985,880.70x = 107,488,823,679,412,944 - Step 5: Solve for x
x = 107,488,823,679,412,944/374,985,880.70 - Step 6: Final answer
x = 286,647,655.85
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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.