Finding the Fourth Proportional to 801,414,949.05, 1,202,122,423.58 and 393,268,261.05
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Solution
The fourth proportional to 801,414,949.05, 1,202,122,423.58 and 393,268,261.05 is: 589,902,391.58
Step by Step Solution
- Step 1: Write the proportion equation
801,414,949.05 : 1,202,122,423.58 = 393,268,261.05 : x - Step 2: Convert to fraction form
801,414,949.05/1,202,122,423.58 = 393,268,261.05/x - Step 3: Cross multiply
801,414,949.05x = 1,202,122,423.58 × 393,268,261.05 - Step 4: Simplify right side
801,414,949.05x = 472,756,595,088,551,808 - Step 5: Solve for x
x = 472,756,595,088,551,808/801,414,949.05 - Step 6: Final answer
x = 589,902,391.58
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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.