Finding the Fourth Proportional to 657,816,325,301.05, 986,028,076,584.05 and 221,267,639,157.26
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Solution
The fourth proportional to 657,816,325,301.05, 986,028,076,584.05 and 221,267,639,157.26 is: 331,667,209,001.96
Step by Step Solution
- Step 1: Write the proportion equation
657,816,325,301.05 : 986,028,076,584.05 = 221,267,639,157.26 : x - Step 2: Convert to fraction form
657,816,325,301.05/986,028,076,584.05 = 221,267,639,157.26/x - Step 3: Cross multiply
657,816,325,301.05x = 986,028,076,584.05 × 221,267,639,157.26 - Step 4: Simplify right side
657,816,325,301.05x = 218,176,104,648,526,713,061,376 - Step 5: Solve for x
x = 218,176,104,648,526,713,061,376/657,816,325,301.05 - Step 6: Final answer
x = 331,667,209,001.96
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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.