Finding the Fourth Proportional to 358,584,034.48, 495,074,446.68 and 292,661,780.08
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Solution
The fourth proportional to 358,584,034.48, 495,074,446.68 and 292,661,780.08 is: 404,059,731.91
Step by Step Solution
- Step 1: Write the proportion equation
358,584,034.48 : 495,074,446.68 = 292,661,780.08 : x - Step 2: Convert to fraction form
358,584,034.48/495,074,446.68 = 292,661,780.08/x - Step 3: Cross multiply
358,584,034.48x = 495,074,446.68 × 292,661,780.08 - Step 4: Simplify right side
358,584,034.48x = 144,889,368,837,489,824 - Step 5: Solve for x
x = 144,889,368,837,489,824/358,584,034.48 - Step 6: Final answer
x = 404,059,731.91
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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.