Finding the Fourth Proportional to 704,770,404.90, 1,057,155,607.35 and 220,145,201.70
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Solution
The fourth proportional to 704,770,404.90, 1,057,155,607.35 and 220,145,201.70 is: 330,217,802.55
Step by Step Solution
- Step 1: Write the proportion equation
704,770,404.90 : 1,057,155,607.35 = 220,145,201.70 : x - Step 2: Convert to fraction form
704,770,404.90/1,057,155,607.35 = 220,145,201.70/x - Step 3: Cross multiply
704,770,404.90x = 1,057,155,607.35 × 220,145,201.70 - Step 4: Simplify right side
704,770,404.90x = 232,727,734,408,351,744 - Step 5: Solve for x
x = 232,727,734,408,351,744/704,770,404.90 - Step 6: Final answer
x = 330,217,802.55
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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.