Finding the Fourth Proportional to 4,233,455,620.84, 6,348,823,937.10 and 1,396,612,187.20
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Solution
The fourth proportional to 4,233,455,620.84, 6,348,823,937.10 and 1,396,612,187.20 is: 2,094,469,785.23
Step by Step Solution
- Step 1: Write the proportion equation
4,233,455,620.84 : 6,348,823,937.10 = 1,396,612,187.20 : x - Step 2: Convert to fraction form
4,233,455,620.84/6,348,823,937.10 = 1,396,612,187.20/x - Step 3: Cross multiply
4,233,455,620.84x = 6,348,823,937.10 × 1,396,612,187.20 - Step 4: Simplify right side
4,233,455,620.84x = 8,866,844,884,940,947,456 - Step 5: Solve for x
x = 8,866,844,884,940,947,456/4,233,455,620.84 - Step 6: Final answer
x = 2,094,469,785.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.