Finding the Fourth Proportional to 8,929,236,851.70, 12,322,249,069.23 and 4,914,821,292.18
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Solution
The fourth proportional to 8,929,236,851.70, 12,322,249,069.23 and 4,914,821,292.18 is: 6,782,399,559.88
Step by Step Solution
- Step 1: Write the proportion equation
8,929,236,851.70 : 12,322,249,069.23 = 4,914,821,292.18 : x - Step 2: Convert to fraction form
8,929,236,851.70/12,322,249,069.23 = 4,914,821,292.18/x - Step 3: Cross multiply
8,929,236,851.70x = 12,322,249,069.23 × 4,914,821,292.18 - Step 4: Simplify right side
8,929,236,851.70x = 60,561,652,092,996,796,416 - Step 5: Solve for x
x = 60,561,652,092,996,796,416/8,929,236,851.70 - Step 6: Final answer
x = 6,782,399,559.88
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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.