Finding the Fourth Proportional to 577,169,569.88, 796,472,668.12 and 312,845,887.96
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Solution
The fourth proportional to 577,169,569.88, 796,472,668.12 and 312,845,887.96 is: 431,715,759.28
Step by Step Solution
- Step 1: Write the proportion equation
577,169,569.88 : 796,472,668.12 = 312,845,887.96 : x - Step 2: Convert to fraction form
577,169,569.88/796,472,668.12 = 312,845,887.96/x - Step 3: Cross multiply
577,169,569.88x = 796,472,668.12 × 312,845,887.96 - Step 4: Simplify right side
577,169,569.88x = 249,173,199,093,871,776 - Step 5: Solve for x
x = 249,173,199,093,871,776/577,169,569.88 - Step 6: Final answer
x = 431,715,759.28
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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.