Finding the Fourth Proportional to 1,117,242,829.80, 1,675,864,244.70 and 994,559,674.95
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Solution
The fourth proportional to 1,117,242,829.80, 1,675,864,244.70 and 994,559,674.95 is: 1,491,839,512.43
Step by Step Solution
- Step 1: Write the proportion equation
1,117,242,829.80 : 1,675,864,244.70 = 994,559,674.95 : x - Step 2: Convert to fraction form
1,117,242,829.80/1,675,864,244.70 = 994,559,674.95/x - Step 3: Cross multiply
1,117,242,829.80x = 1,675,864,244.70 × 994,559,674.95 - Step 4: Simplify right side
1,117,242,829.80x = 1,666,746,998,469,159,424 - Step 5: Solve for x
x = 1,666,746,998,469,159,424/1,117,242,829.80 - Step 6: Final answer
x = 1,491,839,512.43
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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.