Finding the Fourth Proportional to 664,243,497.82, 995,979,771.06 and 314,486,629.52
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Solution
The fourth proportional to 664,243,497.82, 995,979,771.06 and 314,486,629.52 is: 471,547,440.50
Step by Step Solution
- Step 1: Write the proportion equation
664,243,497.82 : 995,979,771.06 = 314,486,629.52 : x - Step 2: Convert to fraction form
664,243,497.82/995,979,771.06 = 314,486,629.52/x - Step 3: Cross multiply
664,243,497.82x = 995,979,771.06 × 314,486,629.52 - Step 4: Simplify right side
664,243,497.82x = 313,222,321,264,601,408 - Step 5: Solve for x
x = 313,222,321,264,601,408/664,243,497.82 - Step 6: Final answer
x = 471,547,440.50
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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.