Finding the Fourth Proportional to 664,377,212.40, 996,565,818.60 and 626,113,460.40
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Solution
The fourth proportional to 664,377,212.40, 996,565,818.60 and 626,113,460.40 is: 939,170,190.60
Step by Step Solution
- Step 1: Write the proportion equation
664,377,212.40 : 996,565,818.60 = 626,113,460.40 : x - Step 2: Convert to fraction form
664,377,212.40/996,565,818.60 = 626,113,460.40/x - Step 3: Cross multiply
664,377,212.40x = 996,565,818.60 × 626,113,460.40 - Step 4: Simplify right side
664,377,212.40x = 623,963,273,200,004,736 - Step 5: Solve for x
x = 623,963,273,200,004,736/664,377,212.40 - Step 6: Final answer
x = 939,170,190.60
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1.5x scale
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.