Finding the Fourth Proportional to 793,313,759.80, 1,189,970,639.70 and 470,827,487.80
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Solution
The fourth proportional to 793,313,759.80, 1,189,970,639.70 and 470,827,487.80 is: 706,241,231.70
Step by Step Solution
- Step 1: Write the proportion equation
793,313,759.80 : 1,189,970,639.70 = 470,827,487.80 : x - Step 2: Convert to fraction form
793,313,759.80/1,189,970,639.70 = 470,827,487.80/x - Step 3: Cross multiply
793,313,759.80x = 1,189,970,639.70 × 470,827,487.80 - Step 4: Simplify right side
793,313,759.80x = 560,270,886,845,709,952 - Step 5: Solve for x
x = 560,270,886,845,709,952/793,313,759.80 - Step 6: Final answer
x = 706,241,231.70
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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.