Finding the Fourth Proportional to 863,260,134.06, 1,191,298,144.68 and 466,782,174.84
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Solution
The fourth proportional to 863,260,134.06, 1,191,298,144.68 and 466,782,174.84 is: 644,158,946.90
Step by Step Solution
- Step 1: Write the proportion equation
863,260,134.06 : 1,191,298,144.68 = 466,782,174.84 : x - Step 2: Convert to fraction form
863,260,134.06/1,191,298,144.68 = 466,782,174.84/x - Step 3: Cross multiply
863,260,134.06x = 1,191,298,144.68 × 466,782,174.84 - Step 4: Simplify right side
863,260,134.06x = 556,076,738,856,587,392 - Step 5: Solve for x
x = 556,076,738,856,587,392/863,260,134.06 - Step 6: Final answer
x = 644,158,946.90
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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.