Finding the Fourth Proportional to 2,070,970,523.68, 3,106,467,398.46 and 690,781,242.64
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Solution
The fourth proportional to 2,070,970,523.68, 3,106,467,398.46 and 690,781,242.64 is: 1,036,175,737.51
Step by Step Solution
- Step 1: Write the proportion equation
2,070,970,523.68 : 3,106,467,398.46 = 690,781,242.64 : x - Step 2: Convert to fraction form
2,070,970,523.68/3,106,467,398.46 = 690,781,242.64/x - Step 3: Cross multiply
2,070,970,523.68x = 3,106,467,398.46 × 690,781,242.64 - Step 4: Simplify right side
2,070,970,523.68x = 2,145,889,409,728,846,848 - Step 5: Solve for x
x = 2,145,889,409,728,846,848/2,070,970,523.68 - Step 6: Final answer
x = 1,036,175,737.51
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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.