Finding the Fourth Proportional to 1,451,567,451.90, 2,177,351,177.85 and 531,137,883.90
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Solution
The fourth proportional to 1,451,567,451.90, 2,177,351,177.85 and 531,137,883.90 is: 796,706,825.85
Step by Step Solution
- Step 1: Write the proportion equation
1,451,567,451.90 : 2,177,351,177.85 = 531,137,883.90 : x - Step 2: Convert to fraction form
1,451,567,451.90/2,177,351,177.85 = 531,137,883.90/x - Step 3: Cross multiply
1,451,567,451.90x = 2,177,351,177.85 × 531,137,883.90 - Step 4: Simplify right side
1,451,567,451.90x = 1,156,473,697,110,421,504 - Step 5: Solve for x
x = 1,156,473,697,110,421,504/1,451,567,451.90 - Step 6: Final answer
x = 796,706,825.85
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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.