Finding the Fourth Proportional to 1,461,596,367.90, 2,192,640,299.37 and 724,702,639.26
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Solution
The fourth proportional to 1,461,596,367.90, 2,192,640,299.37 and 724,702,639.26 is: 1,087,175,807.77
Step by Step Solution
- Step 1: Write the proportion equation
1,461,596,367.90 : 2,192,640,299.37 = 724,702,639.26 : x - Step 2: Convert to fraction form
1,461,596,367.90/2,192,640,299.37 = 724,702,639.26/x - Step 3: Cross multiply
1,461,596,367.90x = 2,192,640,299.37 × 724,702,639.26 - Step 4: Simplify right side
1,461,596,367.90x = 1,589,012,211,901,275,392 - Step 5: Solve for x
x = 1,589,012,211,901,275,392/1,461,596,367.90 - Step 6: Final answer
x = 1,087,175,807.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.