Finding the Fourth Proportional to 3,765,990,404.16, 5,197,114,353.12 and 2,072,639,953.28
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Solution
The fourth proportional to 3,765,990,404.16, 5,197,114,353.12 and 2,072,639,953.28 is: 2,860,269,329.99
Step by Step Solution
- Step 1: Write the proportion equation
3,765,990,404.16 : 5,197,114,353.12 = 2,072,639,953.28 : x - Step 2: Convert to fraction form
3,765,990,404.16/5,197,114,353.12 = 2,072,639,953.28/x - Step 3: Cross multiply
3,765,990,404.16x = 5,197,114,353.12 × 2,072,639,953.28 - Step 4: Simplify right side
3,765,990,404.16x = 10,771,746,850,041,454,592 - Step 5: Solve for x
x = 10,771,746,850,041,454,592/3,765,990,404.16 - Step 6: Final answer
x = 2,860,269,329.99
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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.