Finding the Fourth Proportional to 481,745,726,994.24, 722,700,916,015.58 and 198,609,793,821.63
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Solution
The fourth proportional to 481,745,726,994.24, 722,700,916,015.58 and 198,609,793,821.63 is: 297,948,631,158.85
Step by Step Solution
- Step 1: Write the proportion equation
481,745,726,994.24 : 722,700,916,015.58 = 198,609,793,821.63 : x - Step 2: Convert to fraction form
481,745,726,994.24/722,700,916,015.58 = 198,609,793,821.63/x - Step 3: Cross multiply
481,745,726,994.24x = 722,700,916,015.58 × 198,609,793,821.63 - Step 4: Simplify right side
481,745,726,994.24x = 143,535,479,924,557,480,984,576 - Step 5: Solve for x
x = 143,535,479,924,557,480,984,576/481,745,726,994.24 - Step 6: Final answer
x = 297,948,631,158.85
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1.5x scale
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.