Finding the Fourth Proportional to 266,320,268.50, 399,480,402.75 and 74,844,044.50
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Solution
The fourth proportional to 266,320,268.50, 399,480,402.75 and 74,844,044.50 is: 112,266,066.75
Step by Step Solution
- Step 1: Write the proportion equation
266,320,268.50 : 399,480,402.75 = 74,844,044.50 : x - Step 2: Convert to fraction form
266,320,268.50/399,480,402.75 = 74,844,044.50/x - Step 3: Cross multiply
266,320,268.50x = 399,480,402.75 × 74,844,044.50 - Step 4: Simplify right side
266,320,268.50x = 29,898,729,040,298,924 - Step 5: Solve for x
x = 29,898,729,040,298,924/266,320,268.50 - Step 6: Final answer
x = 112,266,066.75
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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.