Finding the Fourth Proportional to 630,424,436,772.90, 869,986,561,719.86 and 341,393,194,624.84
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Solution
The fourth proportional to 630,424,436,772.90, 869,986,561,719.86 and 341,393,194,624.84 is: 471,123,062,910.74
Step by Step Solution
- Step 1: Write the proportion equation
630,424,436,772.90 : 869,986,561,719.86 = 341,393,194,624.84 : x - Step 2: Convert to fraction form
630,424,436,772.90/869,986,561,719.86 = 341,393,194,624.84/x - Step 3: Cross multiply
630,424,436,772.90x = 869,986,561,719.86 × 341,393,194,624.84 - Step 4: Simplify right side
630,424,436,772.90x = 297,007,491,586,223,574,614,016 - Step 5: Solve for x
x = 297,007,491,586,223,574,614,016/630,424,436,772.90 - Step 6: Final answer
x = 471,123,062,910.74
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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.