Finding the Fourth Proportional to 4,917,397,219.80, 6,786,028,608.71 and 2,659,336,746.18
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Solution
The fourth proportional to 4,917,397,219.80, 6,786,028,608.71 and 2,659,336,746.18 is: 3,669,895,766.63
Step by Step Solution
- Step 1: Write the proportion equation
4,917,397,219.80 : 6,786,028,608.71 = 2,659,336,746.18 : x - Step 2: Convert to fraction form
4,917,397,219.80/6,786,028,608.71 = 2,659,336,746.18/x - Step 3: Cross multiply
4,917,397,219.80x = 6,786,028,608.71 × 2,659,336,746.18 - Step 4: Simplify right side
4,917,397,219.80x = 18,046,335,239,771,242,496 - Step 5: Solve for x
x = 18,046,335,239,771,242,496/4,917,397,219.80 - Step 6: Final answer
x = 3,669,895,766.63
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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.