Finding the Fourth Proportional to 373,306,196,646.67, 515,157,068,827.30 and 208,510,120,714.20
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Solution
The fourth proportional to 373,306,196,646.67, 515,157,068,827.30 and 208,510,120,714.20 is: 287,740,904,310.84
Step by Step Solution
- Step 1: Write the proportion equation
373,306,196,646.67 : 515,157,068,827.30 = 208,510,120,714.20 : x - Step 2: Convert to fraction form
373,306,196,646.67/515,157,068,827.30 = 208,510,120,714.20/x - Step 3: Cross multiply
373,306,196,646.67x = 515,157,068,827.30 × 208,510,120,714.20 - Step 4: Simplify right side
373,306,196,646.67x = 107,415,462,607,953,757,995,008 - Step 5: Solve for x
x = 107,415,462,607,953,757,995,008/373,306,196,646.67 - Step 6: Final answer
x = 287,740,904,310.84
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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.