Finding the Fourth Proportional to 630,424,436,722.76, 869,986,561,650.66 and 341,393,194,574.70
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Solution
The fourth proportional to 630,424,436,722.76, 869,986,561,650.66 and 341,393,194,574.70 is: 471,123,062,841.54
Step by Step Solution
- Step 1: Write the proportion equation
630,424,436,722.76 : 869,986,561,650.66 = 341,393,194,574.70 : x - Step 2: Convert to fraction form
630,424,436,722.76/869,986,561,650.66 = 341,393,194,574.70/x - Step 3: Cross multiply
630,424,436,722.76x = 869,986,561,650.66 × 341,393,194,574.70 - Step 4: Simplify right side
630,424,436,722.76x = 297,007,491,518,978,043,412,480 - Step 5: Solve for x
x = 297,007,491,518,978,043,412,480/630,424,436,722.76 - Step 6: Final answer
x = 471,123,062,841.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.