Finding the Fourth Proportional to 746,626,922.40, 1,119,940,383.60 and 698,851,178.40
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Solution
The fourth proportional to 746,626,922.40, 1,119,940,383.60 and 698,851,178.40 is: 1,048,276,767.60
Step by Step Solution
- Step 1: Write the proportion equation
746,626,922.40 : 1,119,940,383.60 = 698,851,178.40 : x - Step 2: Convert to fraction form
746,626,922.40/1,119,940,383.60 = 698,851,178.40/x - Step 3: Cross multiply
746,626,922.40x = 1,119,940,383.60 × 698,851,178.40 - Step 4: Simplify right side
746,626,922.40x = 782,671,656,816,608,000 - Step 5: Solve for x
x = 782,671,656,816,608,000/746,626,922.40 - Step 6: Final answer
x = 1,048,276,767.60
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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.