Finding the Fourth Proportional to 2,912,257,214.60, 4,368,385,821.90 and 1,823,866,046.60
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Solution
The fourth proportional to 2,912,257,214.60, 4,368,385,821.90 and 1,823,866,046.60 is: 2,735,799,069.90
Step by Step Solution
- Step 1: Write the proportion equation
2,912,257,214.60 : 4,368,385,821.90 = 1,823,866,046.60 : x - Step 2: Convert to fraction form
2,912,257,214.60/4,368,385,821.90 = 1,823,866,046.60/x - Step 3: Cross multiply
2,912,257,214.60x = 4,368,385,821.90 × 1,823,866,046.60 - Step 4: Simplify right side
2,912,257,214.60x = 7,967,350,579,012,243,456 - Step 5: Solve for x
x = 7,967,350,579,012,243,456/2,912,257,214.60 - Step 6: Final answer
x = 2,735,799,069.90
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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.