Finding the Fourth Proportional to 260,248,913.40, 389,617,542.90 and 252,690,641.40
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Solution
The fourth proportional to 260,248,913.40, 389,617,542.90 and 252,690,641.40 is: 378,302,085.99
Step by Step Solution
- Step 1: Write the proportion equation
260,248,913.40 : 389,617,542.90 = 252,690,641.40 : x - Step 2: Convert to fraction form
260,248,913.40/389,617,542.90 = 252,690,641.40/x - Step 3: Cross multiply
260,248,913.40x = 389,617,542.90 × 252,690,641.40 - Step 4: Simplify right side
260,248,913.40x = 98,452,706,816,093,008 - Step 5: Solve for x
x = 98,452,706,816,093,008/260,248,913.40 - Step 6: Final answer
x = 378,302,085.99
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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.