Finding the Fourth Proportional to 616,382,642.16, 850,607,840.97 and 337,918,186.98
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Solution
The fourth proportional to 616,382,642.16, 850,607,840.97 and 337,918,186.98 is: 466,326,985.53
Step by Step Solution
- Step 1: Write the proportion equation
616,382,642.16 : 850,607,840.97 = 337,918,186.98 : x - Step 2: Convert to fraction form
616,382,642.16/850,607,840.97 = 337,918,186.98/x - Step 3: Cross multiply
616,382,642.16x = 850,607,840.97 × 337,918,186.98 - Step 4: Simplify right side
616,382,642.16x = 287,435,859,451,554,592 - Step 5: Solve for x
x = 287,435,859,451,554,592/616,382,642.16 - Step 6: Final answer
x = 466,326,985.53
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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.