Finding the Fourth Proportional to 79,875,362,297.80, 119,813,043,446.70 and 56,656,350,713.80
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Solution
The fourth proportional to 79,875,362,297.80, 119,813,043,446.70 and 56,656,350,713.80 is: 84,984,526,070.70
Step by Step Solution
- Step 1: Write the proportion equation
79,875,362,297.80 : 119,813,043,446.70 = 56,656,350,713.80 : x - Step 2: Convert to fraction form
79,875,362,297.80/119,813,043,446.70 = 56,656,350,713.80/x - Step 3: Cross multiply
79,875,362,297.80x = 119,813,043,446.70 × 56,656,350,713.80 - Step 4: Simplify right side
79,875,362,297.80x = 6,788,169,809,603,991,699,456 - Step 5: Solve for x
x = 6,788,169,809,603,991,699,456/79,875,362,297.80 - Step 6: Final answer
x = 84,984,526,070.70
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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.