Finding the Fourth Proportional to 367,129,748.96, 506,675,651.68 and 274,148,831.52
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Solution
The fourth proportional to 367,129,748.96, 506,675,651.68 and 274,148,831.52 is: 378,352,716.61
Step by Step Solution
- Step 1: Write the proportion equation
367,129,748.96 : 506,675,651.68 = 274,148,831.52 : x - Step 2: Convert to fraction form
367,129,748.96/506,675,651.68 = 274,148,831.52/x - Step 3: Cross multiply
367,129,748.96x = 506,675,651.68 × 274,148,831.52 - Step 4: Simplify right side
367,129,748.96x = 138,904,537,867,706,512 - Step 5: Solve for x
x = 138,904,537,867,706,512/367,129,748.96 - Step 6: Final answer
x = 378,352,716.61
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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.