Finding the Fourth Proportional to 286,462,042.72, 429,387,138.24 and 163,375,324.81
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Solution
The fourth proportional to 286,462,042.72, 429,387,138.24 and 163,375,324.81 is: 244,888,511.28
Step by Step Solution
- Step 1: Write the proportion equation
286,462,042.72 : 429,387,138.24 = 163,375,324.81 : x - Step 2: Convert to fraction form
286,462,042.72/429,387,138.24 = 163,375,324.81/x - Step 3: Cross multiply
286,462,042.72x = 429,387,138.24 × 163,375,324.81 - Step 4: Simplify right side
286,462,042.72x = 70,151,263,179,196,376 - Step 5: Solve for x
x = 70,151,263,179,196,376/286,462,042.72 - Step 6: Final answer
x = 244,888,511.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.