Finding the Fourth Proportional to 3,605,479,380.24, 4,975,590,758.79 and 1,997,961,226.82
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Solution
The fourth proportional to 3,605,479,380.24, 4,975,590,758.79 and 1,997,961,226.82 is: 2,757,202,681.86
Step by Step Solution
- Step 1: Write the proportion equation
3,605,479,380.24 : 4,975,590,758.79 = 1,997,961,226.82 : x - Step 2: Convert to fraction form
3,605,479,380.24/4,975,590,758.79 = 1,997,961,226.82/x - Step 3: Cross multiply
3,605,479,380.24x = 4,975,590,758.79 × 1,997,961,226.82 - Step 4: Simplify right side
3,605,479,380.24x = 9,941,037,416,592,406,528 - Step 5: Solve for x
x = 9,941,037,416,592,406,528/3,605,479,380.24 - Step 6: Final answer
x = 2,757,202,681.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.