Finding the Fourth Proportional to 352,764,738.27, 486,842,607.64 and 211,641,269.63
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Solution
The fourth proportional to 352,764,738.27, 486,842,607.64 and 211,641,269.63 is: 292,081,312.02
Step by Step Solution
- Step 1: Write the proportion equation
352,764,738.27 : 486,842,607.64 = 211,641,269.63 : x - Step 2: Convert to fraction form
352,764,738.27/486,842,607.64 = 211,641,269.63/x - Step 3: Cross multiply
352,764,738.27x = 486,842,607.64 × 211,641,269.63 - Step 4: Simplify right side
352,764,738.27x = 103,035,987,587,946,224 - Step 5: Solve for x
x = 103,035,987,587,946,224/352,764,738.27 - Step 6: Final answer
x = 292,081,312.02
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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.