Finding the Fourth Proportional to 811,971,583.02, 1,120,531,534.11 and 440,698,064.94
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Solution
The fourth proportional to 811,971,583.02, 1,120,531,534.11 and 440,698,064.94 is: 608,169,163.94
Step by Step Solution
- Step 1: Write the proportion equation
811,971,583.02 : 1,120,531,534.11 = 440,698,064.94 : x - Step 2: Convert to fraction form
811,971,583.02/1,120,531,534.11 = 440,698,064.94/x - Step 3: Cross multiply
811,971,583.02x = 1,120,531,534.11 × 440,698,064.94 - Step 4: Simplify right side
811,971,583.02x = 493,816,078,786,526,528 - Step 5: Solve for x
x = 493,816,078,786,526,528/811,971,583.02 - Step 6: Final answer
x = 608,169,163.94
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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.