Finding the Fourth Proportional to 491,411,805.08, 677,699,160.18 and 384,135,300.08
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Solution
The fourth proportional to 491,411,805.08, 677,699,160.18 and 384,135,300.08 is: 529,755,629.73
Step by Step Solution
- Step 1: Write the proportion equation
491,411,805.08 : 677,699,160.18 = 384,135,300.08 : x - Step 2: Convert to fraction form
491,411,805.08/677,699,160.18 = 384,135,300.08/x - Step 3: Cross multiply
491,411,805.08x = 677,699,160.18 × 384,135,300.08 - Step 4: Simplify right side
491,411,805.08x = 260,328,170,256,319,776 - Step 5: Solve for x
x = 260,328,170,256,319,776/491,411,805.08 - Step 6: Final answer
x = 529,755,629.73
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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.