Finding the Fourth Proportional to 734,868,053.80, 1,102,302,080.70 and 605,621,602.60
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Solution
The fourth proportional to 734,868,053.80, 1,102,302,080.70 and 605,621,602.60 is: 908,432,403.90
Step by Step Solution
- Step 1: Write the proportion equation
734,868,053.80 : 1,102,302,080.70 = 605,621,602.60 : x - Step 2: Convert to fraction form
734,868,053.80/1,102,302,080.70 = 605,621,602.60/x - Step 3: Cross multiply
734,868,053.80x = 1,102,302,080.70 × 605,621,602.60 - Step 4: Simplify right side
734,868,053.80x = 667,577,952,662,848,640 - Step 5: Solve for x
x = 667,577,952,662,848,640/734,868,053.80 - Step 6: Final answer
x = 908,432,403.90
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Double scale
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Similar ratio
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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.