Finding the Fourth Proportional to 8,599,917,308.40, 11,868,254,083.18 and 4,789,440,238.62
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Solution
The fourth proportional to 8,599,917,308.40, 11,868,254,083.18 and 4,789,440,238.62 is: 6,609,632,584.80
Step by Step Solution
- Step 1: Write the proportion equation
8,599,917,308.40 : 11,868,254,083.18 = 4,789,440,238.62 : x - Step 2: Convert to fraction form
8,599,917,308.40/11,868,254,083.18 = 4,789,440,238.62/x - Step 3: Cross multiply
8,599,917,308.40x = 11,868,254,083.18 × 4,789,440,238.62 - Step 4: Simplify right side
8,599,917,308.40x = 56,842,293,668,148,412,416 - Step 5: Solve for x
x = 56,842,293,668,148,412,416/8,599,917,308.40 - Step 6: Final answer
x = 6,609,632,584.80
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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.