Finding the Fourth Proportional to 7,769,270,809.80, 11,653,906,214.70 and 7,769,270,809.80
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Solution
The fourth proportional to 7,769,270,809.80, 11,653,906,214.70 and 7,769,270,809.80 is: 11,653,906,214.70
Step by Step Solution
- Step 1: Write the proportion equation
7,769,270,809.80 : 11,653,906,214.70 = 7,769,270,809.80 : x - Step 2: Convert to fraction form
7,769,270,809.80/11,653,906,214.70 = 7,769,270,809.80/x - Step 3: Cross multiply
7,769,270,809.80x = 11,653,906,214.70 × 7,769,270,809.80 - Step 4: Simplify right side
7,769,270,809.80x = 90,542,353,374,015,537,152 - Step 5: Solve for x
x = 90,542,353,374,015,537,152/7,769,270,809.80 - Step 6: Final answer
x = 11,653,906,214.70
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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.