Finding the Fourth Proportional to 1,116,151,355.94, 1,674,331,329.21 and 329,205,775.80
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Solution
The fourth proportional to 1,116,151,355.94, 1,674,331,329.21 and 329,205,775.80 is: 493,839,425.31
Step by Step Solution
- Step 1: Write the proportion equation
1,116,151,355.94 : 1,674,331,329.21 = 329,205,775.80 : x - Step 2: Convert to fraction form
1,116,151,355.94/1,674,331,329.21 = 329,205,775.80/x - Step 3: Cross multiply
1,116,151,355.94x = 1,674,331,329.21 × 329,205,775.80 - Step 4: Simplify right side
1,116,151,355.94x = 551,199,544,178,823,296 - Step 5: Solve for x
x = 551,199,544,178,823,296/1,116,151,355.94 - Step 6: Final answer
x = 493,839,425.31
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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.