Finding the Fourth Proportional to 329,508,727.30, 494,263,090.95 and 292,520,433.70
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Solution
The fourth proportional to 329,508,727.30, 494,263,090.95 and 292,520,433.70 is: 438,780,650.55
Step by Step Solution
- Step 1: Write the proportion equation
329,508,727.30 : 494,263,090.95 = 292,520,433.70 : x - Step 2: Convert to fraction form
329,508,727.30/494,263,090.95 = 292,520,433.70/x - Step 3: Cross multiply
329,508,727.30x = 494,263,090.95 × 292,520,433.70 - Step 4: Simplify right side
329,508,727.30x = 144,582,053,726,596,544 - Step 5: Solve for x
x = 144,582,053,726,596,544/329,508,727.30 - Step 6: Final answer
x = 438,780,650.55
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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.