Finding the Fourth Proportional to 1,694,134,520.79, 2,337,962,344.26 and 941,479,419.40
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Solution
The fourth proportional to 1,694,134,520.79, 2,337,962,344.26 and 941,479,419.40 is: 1,299,273,111.69
Step by Step Solution
- Step 1: Write the proportion equation
1,694,134,520.79 : 2,337,962,344.26 = 941,479,419.40 : x - Step 2: Convert to fraction form
1,694,134,520.79/2,337,962,344.26 = 941,479,419.40/x - Step 3: Cross multiply
1,694,134,520.79x = 2,337,962,344.26 × 941,479,419.40 - Step 4: Simplify right side
1,694,134,520.79x = 2,201,143,430,452,967,936 - Step 5: Solve for x
x = 2,201,143,430,452,967,936/1,694,134,520.79 - Step 6: Final answer
x = 1,299,273,111.69
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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.