Finding the Fourth Proportional to 262,984,854.56, 393,690,832.15 and 159,039,478.99
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Solution
The fourth proportional to 262,984,854.56, 393,690,832.15 and 159,039,478.99 is: 238,083,614.87
Step by Step Solution
- Step 1: Write the proportion equation
262,984,854.56 : 393,690,832.15 = 159,039,478.99 : x - Step 2: Convert to fraction form
262,984,854.56/393,690,832.15 = 159,039,478.99/x - Step 3: Cross multiply
262,984,854.56x = 393,690,832.15 × 159,039,478.99 - Step 4: Simplify right side
262,984,854.56x = 62,612,384,829,114,368 - Step 5: Solve for x
x = 62,612,384,829,114,368/262,984,854.56 - Step 6: Final answer
x = 238,083,614.87
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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.