Finding the Fourth Proportional to 3,092,847,996.64, 4,269,029,619.04 and 2,021,312,521.40
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Solution
The fourth proportional to 3,092,847,996.64, 4,269,029,619.04 and 2,021,312,521.40 is: 2,789,999,066.42
Step by Step Solution
- Step 1: Write the proportion equation
3,092,847,996.64 : 4,269,029,619.04 = 2,021,312,521.40 : x - Step 2: Convert to fraction form
3,092,847,996.64/4,269,029,619.04 = 2,021,312,521.40/x - Step 3: Cross multiply
3,092,847,996.64x = 4,269,029,619.04 × 2,021,312,521.40 - Step 4: Simplify right side
3,092,847,996.64x = 8,629,043,023,193,024,512 - Step 5: Solve for x
x = 8,629,043,023,193,024,512/3,092,847,996.64 - Step 6: Final answer
x = 2,789,999,066.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.