Finding the Fourth Proportional to 1,833,215,122.88, 2,749,795,759.68 and 453,029,593.76
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Solution
The fourth proportional to 1,833,215,122.88, 2,749,795,759.68 and 453,029,593.76 is: 679,537,736.94
Step by Step Solution
- Step 1: Write the proportion equation
1,833,215,122.88 : 2,749,795,759.68 = 453,029,593.76 : x - Step 2: Convert to fraction form
1,833,215,122.88/2,749,795,759.68 = 453,029,593.76/x - Step 3: Cross multiply
1,833,215,122.88x = 2,749,795,759.68 × 453,029,593.76 - Step 4: Simplify right side
1,833,215,122.88x = 1,245,738,855,930,800,896 - Step 5: Solve for x
x = 1,245,738,855,930,800,896/1,833,215,122.88 - Step 6: Final answer
x = 679,537,736.94
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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.