Finding the Fourth Proportional to 405,466,304.04, 559,540,125.18 and 229,288,893.48
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Solution
The fourth proportional to 405,466,304.04, 559,540,125.18 and 229,288,893.48 is: 316,416,764.80
Step by Step Solution
- Step 1: Write the proportion equation
405,466,304.04 : 559,540,125.18 = 229,288,893.48 : x - Step 2: Convert to fraction form
405,466,304.04/559,540,125.18 = 229,288,893.48/x - Step 3: Cross multiply
405,466,304.04x = 559,540,125.18 × 229,288,893.48 - Step 4: Simplify right side
405,466,304.04x = 128,296,336,160,182,864 - Step 5: Solve for x
x = 128,296,336,160,182,864/405,466,304.04 - Step 6: Final answer
x = 316,416,764.80
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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.