Finding the Fourth Proportional to 746,496,458.40, 1,119,744,687.60 and 456,258,813.60
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Solution
The fourth proportional to 746,496,458.40, 1,119,744,687.60 and 456,258,813.60 is: 684,388,220.40
Step by Step Solution
- Step 1: Write the proportion equation
746,496,458.40 : 1,119,744,687.60 = 456,258,813.60 : x - Step 2: Convert to fraction form
746,496,458.40/1,119,744,687.60 = 456,258,813.60/x - Step 3: Cross multiply
746,496,458.40x = 1,119,744,687.60 × 456,258,813.60 - Step 4: Simplify right side
746,496,458.40x = 510,893,382,699,278,592 - Step 5: Solve for x
x = 510,893,382,699,278,592/746,496,458.40 - Step 6: Final answer
x = 684,388,220.40
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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.