Finding the Fourth Proportional to 292,622,985.30, 438,935,944.76 and 74,273,392.52
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Solution
The fourth proportional to 292,622,985.30, 438,935,944.76 and 74,273,392.52 is: 111,410,461.08
Step by Step Solution
- Step 1: Write the proportion equation
292,622,985.30 : 438,935,944.76 = 74,273,392.52 : x - Step 2: Convert to fraction form
292,622,985.30/438,935,944.76 = 74,273,392.52/x - Step 3: Cross multiply
292,622,985.30x = 438,935,944.76 × 74,273,392.52 - Step 4: Simplify right side
292,622,985.30x = 32,601,261,716,296,516 - Step 5: Solve for x
x = 32,601,261,716,296,516/292,622,985.30 - Step 6: Final answer
x = 111,410,461.08
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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.