Finding the Fourth Proportional to 434,079,860.80, 651,119,791.20 and 403,468,859.20
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Solution
The fourth proportional to 434,079,860.80, 651,119,791.20 and 403,468,859.20 is: 605,203,288.80
Step by Step Solution
- Step 1: Write the proportion equation
434,079,860.80 : 651,119,791.20 = 403,468,859.20 : x - Step 2: Convert to fraction form
434,079,860.80/651,119,791.20 = 403,468,859.20/x - Step 3: Cross multiply
434,079,860.80x = 651,119,791.20 × 403,468,859.20 - Step 4: Simplify right side
434,079,860.80x = 262,706,559,358,006,208 - Step 5: Solve for x
x = 262,706,559,358,006,208/434,079,860.80 - Step 6: Final answer
x = 605,203,288.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.