Finding the Fourth Proportional to 9,657,816,013.80, 14,486,724,020.70 and 7,912,988,922.60
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Solution
The fourth proportional to 9,657,816,013.80, 14,486,724,020.70 and 7,912,988,922.60 is: 11,869,483,383.90
Step by Step Solution
- Step 1: Write the proportion equation
9,657,816,013.80 : 14,486,724,020.70 = 7,912,988,922.60 : x - Step 2: Convert to fraction form
9,657,816,013.80/14,486,724,020.70 = 7,912,988,922.60/x - Step 3: Cross multiply
9,657,816,013.80x = 14,486,724,020.70 × 7,912,988,922.60 - Step 4: Simplify right side
9,657,816,013.80x = 114,633,286,700,562,448,384 - Step 5: Solve for x
x = 114,633,286,700,562,448,384/9,657,816,013.80 - Step 6: Final answer
x = 11,869,483,383.90
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1.5x scale
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.