Finding the Fourth Proportional to 331,369,235.54, 457,290,048.93 and 184,688,370.26
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Solution
The fourth proportional to 331,369,235.54, 457,290,048.93 and 184,688,370.26 is: 254,870,231.80
Step by Step Solution
- Step 1: Write the proportion equation
331,369,235.54 : 457,290,048.93 = 184,688,370.26 : x - Step 2: Convert to fraction form
331,369,235.54/457,290,048.93 = 184,688,370.26/x - Step 3: Cross multiply
331,369,235.54x = 457,290,048.93 × 184,688,370.26 - Step 4: Simplify right side
331,369,235.54x = 84,456,153,872,997,360 - Step 5: Solve for x
x = 84,456,153,872,997,360/331,369,235.54 - Step 6: Final answer
x = 254,870,231.80
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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.