Finding the Fourth Proportional to 1,820,473,567.43, 2,512,257,890.06 and 985,107,101.99
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Solution
The fourth proportional to 1,820,473,567.43, 2,512,257,890.06 and 985,107,101.99 is: 1,359,450,163.85
Step by Step Solution
- Step 1: Write the proportion equation
1,820,473,567.43 : 2,512,257,890.06 = 985,107,101.99 : x - Step 2: Convert to fraction form
1,820,473,567.43/2,512,257,890.06 = 985,107,101.99/x - Step 3: Cross multiply
1,820,473,567.43x = 2,512,257,890.06 × 985,107,101.99 - Step 4: Simplify right side
1,820,473,567.43x = 2,474,843,089,523,592,704 - Step 5: Solve for x
x = 2,474,843,089,523,592,704/1,820,473,567.43 - Step 6: Final answer
x = 1,359,450,163.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.