Finding the Fourth Proportional to 342,583,875.79, 472,753,516.41 and 193,901,804.63
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Solution
The fourth proportional to 342,583,875.79, 472,753,516.41 and 193,901,804.63 is: 267,577,566.99
Step by Step Solution
- Step 1: Write the proportion equation
342,583,875.79 : 472,753,516.41 = 193,901,804.63 : x - Step 2: Convert to fraction form
342,583,875.79/472,753,516.41 = 193,901,804.63/x - Step 3: Cross multiply
342,583,875.79x = 472,753,516.41 × 193,901,804.63 - Step 4: Simplify right side
342,583,875.79x = 91,667,759,975,575,040 - Step 5: Solve for x
x = 91,667,759,975,575,040/342,583,875.79 - Step 6: Final answer
x = 267,577,566.99
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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.