Finding the Fourth Proportional to 493,264,420.09, 680,705,432.64 and 267,203,934.90
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Solution
The fourth proportional to 493,264,420.09, 680,705,432.64 and 267,203,934.90 is: 368,741,718.85
Step by Step Solution
- Step 1: Write the proportion equation
493,264,420.09 : 680,705,432.64 = 267,203,934.90 : x - Step 2: Convert to fraction form
493,264,420.09/680,705,432.64 = 267,203,934.90/x - Step 3: Cross multiply
493,264,420.09x = 680,705,432.64 × 267,203,934.90 - Step 4: Simplify right side
493,264,420.09x = 181,887,170,109,214,880 - Step 5: Solve for x
x = 181,887,170,109,214,880/493,264,420.09 - Step 6: Final answer
x = 368,741,718.85
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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.