Finding the Fourth Proportional to 456,731,523.96, 630,290,122.38 and 247,887,673.08
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Solution
The fourth proportional to 456,731,523.96, 630,290,122.38 and 247,887,673.08 is: 342,085,324.98
Step by Step Solution
- Step 1: Write the proportion equation
456,731,523.96 : 630,290,122.38 = 247,887,673.08 : x - Step 2: Convert to fraction form
456,731,523.96/630,290,122.38 = 247,887,673.08/x - Step 3: Cross multiply
456,731,523.96x = 630,290,122.38 × 247,887,673.08 - Step 4: Simplify right side
456,731,523.96x = 156,241,151,802,086,624 - Step 5: Solve for x
x = 156,241,151,802,086,624/456,731,523.96 - Step 6: Final answer
x = 342,085,324.98
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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.