Finding the Fourth Proportional to 849,069,217,966.20, 1,273,603,826,949.30 and 659,388,146,551.80
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Solution
The fourth proportional to 849,069,217,966.20, 1,273,603,826,949.30 and 659,388,146,551.80 is: 989,082,219,827.70
Step by Step Solution
- Step 1: Write the proportion equation
849,069,217,966.20 : 1,273,603,826,949.30 = 659,388,146,551.80 : x - Step 2: Convert to fraction form
849,069,217,966.20/1,273,603,826,949.30 = 659,388,146,551.80/x - Step 3: Cross multiply
849,069,217,966.20x = 1,273,603,826,949.30 × 659,388,146,551.80 - Step 4: Simplify right side
849,069,217,966.20x = 839,799,266,893,378,468,446,208 - Step 5: Solve for x
x = 839,799,266,893,378,468,446,208/849,069,217,966.20 - Step 6: Final answer
x = 989,082,219,827.70
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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.