Finding the Fourth Proportional to 664,851,829.70, 997,277,744.55 and 664,851,829.70
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Solution
The fourth proportional to 664,851,829.70, 997,277,744.55 and 664,851,829.70 is: 997,277,744.55
Step by Step Solution
- Step 1: Write the proportion equation
664,851,829.70 : 997,277,744.55 = 664,851,829.70 : x - Step 2: Convert to fraction form
664,851,829.70/997,277,744.55 = 664,851,829.70/x - Step 3: Cross multiply
664,851,829.70x = 997,277,744.55 × 664,851,829.70 - Step 4: Simplify right side
664,851,829.70x = 663,041,933,183,156,736 - Step 5: Solve for x
x = 663,041,933,183,156,736/664,851,829.70 - Step 6: Final answer
x = 997,277,744.55
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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.