Finding the Fourth Proportional to 3,081,392,578.64, 4,252,330,000.68 and 1,671,696,541.52
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Solution
The fourth proportional to 3,081,392,578.64, 4,252,330,000.68 and 1,671,696,541.52 is: 2,306,945,698.78
Step by Step Solution
- Step 1: Write the proportion equation
3,081,392,578.64 : 4,252,330,000.68 = 1,671,696,541.52 : x - Step 2: Convert to fraction form
3,081,392,578.64/4,252,330,000.68 = 1,671,696,541.52/x - Step 3: Cross multiply
3,081,392,578.64x = 4,252,330,000.68 × 1,671,696,541.52 - Step 4: Simplify right side
3,081,392,578.64x = 7,108,605,355,538,494,464 - Step 5: Solve for x
x = 7,108,605,355,538,494,464/3,081,392,578.64 - Step 6: Final answer
x = 2,306,945,698.78
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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.