Finding the Fourth Proportional to 374,985,881.07, 517,473,592.25 and 207,718,472.19
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Solution
The fourth proportional to 374,985,881.07, 517,473,592.25 and 207,718,472.19 is: 286,647,656.37
Step by Step Solution
- Step 1: Write the proportion equation
374,985,881.07 : 517,473,592.25 = 207,718,472.19 : x - Step 2: Convert to fraction form
374,985,881.07/517,473,592.25 = 207,718,472.19/x - Step 3: Cross multiply
374,985,881.07x = 517,473,592.25 × 207,718,472.19 - Step 4: Simplify right side
374,985,881.07x = 107,488,823,981,742,960 - Step 5: Solve for x
x = 107,488,823,981,742,960/374,985,881.07 - Step 6: Final answer
x = 286,647,656.37
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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.