Finding the Fourth Proportional to 437,745,963.39, 604,096,994.84 and 239,524,782.63
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Solution
The fourth proportional to 437,745,963.39, 604,096,994.84 and 239,524,782.63 is: 330,548,339.62
Step by Step Solution
- Step 1: Write the proportion equation
437,745,963.39 : 604,096,994.84 = 239,524,782.63 : x - Step 2: Convert to fraction form
437,745,963.39/604,096,994.84 = 239,524,782.63/x - Step 3: Cross multiply
437,745,963.39x = 604,096,994.84 × 239,524,782.63 - Step 4: Simplify right side
437,745,963.39x = 144,696,201,375,289,600 - Step 5: Solve for x
x = 144,696,201,375,289,600/437,745,963.39 - Step 6: Final answer
x = 330,548,339.62
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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.