Finding the Fourth Proportional to 326,606,490.72, 489,832,342.68 and 93,430,013.52
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Solution
The fourth proportional to 326,606,490.72, 489,832,342.68 and 93,430,013.52 is: 140,122,880.90
Step by Step Solution
- Step 1: Write the proportion equation
326,606,490.72 : 489,832,342.68 = 93,430,013.52 : x - Step 2: Convert to fraction form
326,606,490.72/489,832,342.68 = 93,430,013.52/x - Step 3: Cross multiply
326,606,490.72x = 489,832,342.68 × 93,430,013.52 - Step 4: Simplify right side
326,606,490.72x = 45,765,042,399,125,672 - Step 5: Solve for x
x = 45,765,042,399,125,672/326,606,490.72 - Step 6: Final answer
x = 140,122,880.90
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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.