Finding the Fourth Proportional to 1,486,645,391.68, 2,229,490,680.00 and 490,442,484.76
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Solution
The fourth proportional to 1,486,645,391.68, 2,229,490,680.00 and 490,442,484.76 is: 735,506,230.98
Step by Step Solution
- Step 1: Write the proportion equation
1,486,645,391.68 : 2,229,490,680.00 = 490,442,484.76 : x - Step 2: Convert to fraction form
1,486,645,391.68/2,229,490,680.00 = 490,442,484.76/x - Step 3: Cross multiply
1,486,645,391.68x = 2,229,490,680.00 × 490,442,484.76 - Step 4: Simplify right side
1,486,645,391.68x = 1,093,436,948,841,073,792 - Step 5: Solve for x
x = 1,093,436,948,841,073,792/1,486,645,391.68 - Step 6: Final answer
x = 735,506,230.98
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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.