Finding the Fourth Proportional to 2,863,618,724.16, 3,951,338,518.74 and 1,610,313,540.66
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Solution
The fourth proportional to 2,863,618,724.16, 3,951,338,518.74 and 1,610,313,540.66 is: 2,221,976,643.32
Step by Step Solution
- Step 1: Write the proportion equation
2,863,618,724.16 : 3,951,338,518.74 = 1,610,313,540.66 : x - Step 2: Convert to fraction form
2,863,618,724.16/3,951,338,518.74 = 1,610,313,540.66/x - Step 3: Cross multiply
2,863,618,724.16x = 3,951,338,518.74 × 1,610,313,540.66 - Step 4: Simplify right side
2,863,618,724.16x = 6,362,893,920,458,448,896 - Step 5: Solve for x
x = 6,362,893,920,458,448,896/2,863,618,724.16 - Step 6: Final answer
x = 2,221,976,643.32
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1.5x scale
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.