Finding the Fourth Proportional to 442,929,845.80, 664,394,768.70 and 442,929,845.80
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Solution
The fourth proportional to 442,929,845.80, 664,394,768.70 and 442,929,845.80 is: 664,394,768.70
Step by Step Solution
- Step 1: Write the proportion equation
442,929,845.80 : 664,394,768.70 = 442,929,845.80 : x - Step 2: Convert to fraction form
442,929,845.80/664,394,768.70 = 442,929,845.80/x - Step 3: Cross multiply
442,929,845.80x = 664,394,768.70 × 442,929,845.80 - Step 4: Simplify right side
442,929,845.80x = 294,280,272,450,617,664 - Step 5: Solve for x
x = 294,280,272,450,617,664/442,929,845.80 - Step 6: Final answer
x = 664,394,768.70
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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.