Finding the Fourth Proportional to 529,488,201.70, 794,232,302.55 and 257,390,409.70
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Solution
The fourth proportional to 529,488,201.70, 794,232,302.55 and 257,390,409.70 is: 386,085,614.55
Step by Step Solution
- Step 1: Write the proportion equation
529,488,201.70 : 794,232,302.55 = 257,390,409.70 : x - Step 2: Convert to fraction form
529,488,201.70/794,232,302.55 = 257,390,409.70/x - Step 3: Cross multiply
529,488,201.70x = 794,232,302.55 × 257,390,409.70 - Step 4: Simplify right side
529,488,201.70x = 204,427,777,750,318,848 - Step 5: Solve for x
x = 204,427,777,750,318,848/529,488,201.70 - Step 6: Final answer
x = 386,085,614.55
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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.