Finding the Fourth Proportional to 297,394,520.10, 445,918,569.75 and 115,429,121.70
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Solution
The fourth proportional to 297,394,520.10, 445,918,569.75 and 115,429,121.70 is: 173,076,453.59
Step by Step Solution
- Step 1: Write the proportion equation
297,394,520.10 : 445,918,569.75 = 115,429,121.70 : x - Step 2: Convert to fraction form
297,394,520.10/445,918,569.75 = 115,429,121.70/x - Step 3: Cross multiply
297,394,520.10x = 445,918,569.75 × 115,429,121.70 - Step 4: Simplify right side
297,394,520.10x = 51,471,988,855,962,688 - Step 5: Solve for x
x = 51,471,988,855,962,688/297,394,520.10 - Step 6: Final answer
x = 173,076,453.59
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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.