Finding the Fourth Proportional to 698,741,999.40, 1,048,112,999.10 and 335,049,148.20
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Solution
The fourth proportional to 698,741,999.40, 1,048,112,999.10 and 335,049,148.20 is: 502,573,722.30
Step by Step Solution
- Step 1: Write the proportion equation
698,741,999.40 : 1,048,112,999.10 = 335,049,148.20 : x - Step 2: Convert to fraction form
698,741,999.40/1,048,112,999.10 = 335,049,148.20/x - Step 3: Cross multiply
698,741,999.40x = 1,048,112,999.10 × 335,049,148.20 - Step 4: Simplify right side
698,741,999.40x = 351,169,367,565,802,368 - Step 5: Solve for x
x = 351,169,367,565,802,368/698,741,999.40 - Step 6: Final answer
x = 502,573,722.30
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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.