Finding the Fourth Proportional to 3,765,990,406.16, 5,197,114,355.88 and 2,072,639,955.28
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Solution
The fourth proportional to 3,765,990,406.16, 5,197,114,355.88 and 2,072,639,955.28 is: 2,860,269,332.75
Step by Step Solution
- Step 1: Write the proportion equation
3,765,990,406.16 : 5,197,114,355.88 = 2,072,639,955.28 : x - Step 2: Convert to fraction form
3,765,990,406.16/5,197,114,355.88 = 2,072,639,955.28/x - Step 3: Cross multiply
3,765,990,406.16x = 5,197,114,355.88 × 2,072,639,955.28 - Step 4: Simplify right side
3,765,990,406.16x = 10,771,746,866,156,169,216 - Step 5: Solve for x
x = 10,771,746,866,156,169,216/3,765,990,406.16 - Step 6: Final answer
x = 2,860,269,332.75
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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.