Finding the Fourth Proportional to 3,104,636,116.80, 4,659,221,656.80 and 2,186,306,068.80
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Solution
The fourth proportional to 3,104,636,116.80, 4,659,221,656.80 and 2,186,306,068.80 is: 3,281,055,879.31
Step by Step Solution
- Step 1: Write the proportion equation
3,104,636,116.80 : 4,659,221,656.80 = 2,186,306,068.80 : x - Step 2: Convert to fraction form
3,104,636,116.80/4,659,221,656.80 = 2,186,306,068.80/x - Step 3: Cross multiply
3,104,636,116.80x = 4,659,221,656.80 × 2,186,306,068.80 - Step 4: Simplify right side
3,104,636,116.80x = 10,186,484,584,146,231,296 - Step 5: Solve for x
x = 10,186,484,584,146,231,296/3,104,636,116.80 - Step 6: Final answer
x = 3,281,055,879.31
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1.5x scale
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.