Finding the Fourth Proportional to 1,757,786,567.12, 2,425,697,518.92 and 964,831,455.44
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Solution
The fourth proportional to 1,757,786,567.12, 2,425,697,518.92 and 964,831,455.44 is: 1,331,441,092.69
Step by Step Solution
- Step 1: Write the proportion equation
1,757,786,567.12 : 2,425,697,518.92 = 964,831,455.44 : x - Step 2: Convert to fraction form
1,757,786,567.12/2,425,697,518.92 = 964,831,455.44/x - Step 3: Cross multiply
1,757,786,567.12x = 2,425,697,518.92 × 964,831,455.44 - Step 4: Simplify right side
1,757,786,567.12x = 2,340,389,267,636,780,544 - Step 5: Solve for x
x = 2,340,389,267,636,780,544/1,757,786,567.12 - Step 6: Final answer
x = 1,331,441,092.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.