Finding the Fourth Proportional to 1,116,133,318.22, 1,674,204,364.49 and 452,159,880.08
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Solution
The fourth proportional to 1,116,133,318.22, 1,674,204,364.49 and 452,159,880.08 is: 678,241,597.41
Step by Step Solution
- Step 1: Write the proportion equation
1,116,133,318.22 : 1,674,204,364.49 = 452,159,880.08 : x - Step 2: Convert to fraction form
1,116,133,318.22/1,674,204,364.49 = 452,159,880.08/x - Step 3: Cross multiply
1,116,133,318.22x = 1,674,204,364.49 × 452,159,880.08 - Step 4: Simplify right side
1,116,133,318.22x = 757,008,044,666,579,072 - Step 5: Solve for x
x = 757,008,044,666,579,072/1,116,133,318.22 - Step 6: Final answer
x = 678,241,597.41
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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.