Finding the Fourth Proportional to 442,888,122.60, 664,332,183.90 and 115,363,002.60
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Solution
The fourth proportional to 442,888,122.60, 664,332,183.90 and 115,363,002.60 is: 173,044,503.90
Step by Step Solution
- Step 1: Write the proportion equation
442,888,122.60 : 664,332,183.90 = 115,363,002.60 : x - Step 2: Convert to fraction form
442,888,122.60/664,332,183.90 = 115,363,002.60/x - Step 3: Cross multiply
442,888,122.60x = 664,332,183.90 × 115,363,002.60 - Step 4: Simplify right side
442,888,122.60x = 76,639,355,458,519,376 - Step 5: Solve for x
x = 76,639,355,458,519,376/442,888,122.60 - Step 6: Final answer
x = 173,044,503.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.