Finding the Fourth Proportional to 848,336,733.80, 1,269,635,319.30 and 745,024,603.40
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Solution
The fourth proportional to 848,336,733.80, 1,269,635,319.30 and 745,024,603.40 is: 1,115,016,611.37
Step by Step Solution
- Step 1: Write the proportion equation
848,336,733.80 : 1,269,635,319.30 = 745,024,603.40 : x - Step 2: Convert to fraction form
848,336,733.80/1,269,635,319.30 = 745,024,603.40/x - Step 3: Cross multiply
848,336,733.80x = 1,269,635,319.30 × 745,024,603.40 - Step 4: Simplify right side
848,336,733.80x = 945,909,550,224,114,816 - Step 5: Solve for x
x = 945,909,550,224,114,816/848,336,733.80 - Step 6: Final answer
x = 1,115,016,611.37
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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.