Finding the Fourth Proportional to 441,531,959.99, 609,286,650.69 and 243,282,360.52
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Solution
The fourth proportional to 441,531,959.99, 609,286,650.69 and 243,282,360.52 is: 335,714,530.42
Step by Step Solution
- Step 1: Write the proportion equation
441,531,959.99 : 609,286,650.69 = 243,282,360.52 : x - Step 2: Convert to fraction form
441,531,959.99/609,286,650.69 = 243,282,360.52/x - Step 3: Cross multiply
441,531,959.99x = 609,286,650.69 × 243,282,360.52 - Step 4: Simplify right side
441,531,959.99x = 148,228,694,612,293,664 - Step 5: Solve for x
x = 148,228,694,612,293,664/441,531,959.99 - Step 6: Final answer
x = 335,714,530.42
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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.