Finding the Fourth Proportional to 879,800,255.60, 1,319,364,460.20 and 266,180,543.60
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Solution
The fourth proportional to 879,800,255.60, 1,319,364,460.20 and 266,180,543.60 is: 399,169,182.99
Step by Step Solution
- Step 1: Write the proportion equation
879,800,255.60 : 1,319,364,460.20 = 266,180,543.60 : x - Step 2: Convert to fraction form
879,800,255.60/1,319,364,460.20 = 266,180,543.60/x - Step 3: Cross multiply
879,800,255.60x = 1,319,364,460.20 × 266,180,543.60 - Step 4: Simplify right side
879,800,255.60x = 351,189,149,222,556,544 - Step 5: Solve for x
x = 351,189,149,222,556,544/879,800,255.60 - Step 6: Final answer
x = 399,169,182.99
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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.