Finding the Fourth Proportional to 3,678,536,958.88, 5,083,021,318.64 and 2,619,426,197.40
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Solution
The fourth proportional to 3,678,536,958.88, 5,083,021,318.64 and 2,619,426,197.40 is: 3,619,536,612.74
Step by Step Solution
- Step 1: Write the proportion equation
3,678,536,958.88 : 5,083,021,318.64 = 2,619,426,197.40 : x - Step 2: Convert to fraction form
3,678,536,958.88/5,083,021,318.64 = 2,619,426,197.40/x - Step 3: Cross multiply
3,678,536,958.88x = 5,083,021,318.64 × 2,619,426,197.40 - Step 4: Simplify right side
3,678,536,958.88x = 13,314,599,203,988,310,016 - Step 5: Solve for x
x = 13,314,599,203,988,310,016/3,678,536,958.88 - Step 6: Final answer
x = 3,619,536,612.74
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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.