Finding the Fourth Proportional to 331,239,204.55, 457,128,078.46 and 190,109,296.63
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Solution
The fourth proportional to 331,239,204.55, 457,128,078.46 and 190,109,296.63 is: 262,361,146.49
Step by Step Solution
- Step 1: Write the proportion equation
331,239,204.55 : 457,128,078.46 = 190,109,296.63 : x - Step 2: Convert to fraction form
331,239,204.55/457,128,078.46 = 190,109,296.63/x - Step 3: Cross multiply
331,239,204.55x = 457,128,078.46 × 190,109,296.63 - Step 4: Simplify right side
331,239,204.55x = 86,904,297,467,878,016 - Step 5: Solve for x
x = 86,904,297,467,878,016/331,239,204.55 - Step 6: Final answer
x = 262,361,146.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.