Finding the Fourth Proportional to 19,714,374,694.80, 27,215,218,302.72 and 13,207,669,823.80
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Solution
The fourth proportional to 19,714,374,694.80, 27,215,218,302.72 and 13,207,669,823.80 is: 18,232,869,319.45
Step by Step Solution
- Step 1: Write the proportion equation
19,714,374,694.80 : 27,215,218,302.72 = 13,207,669,823.80 : x - Step 2: Convert to fraction form
19,714,374,694.80/27,215,218,302.72 = 13,207,669,823.80/x - Step 3: Cross multiply
19,714,374,694.80x = 27,215,218,302.72 × 13,207,669,823.80 - Step 4: Simplify right side
19,714,374,694.80x = 359,449,617,524,964,392,960 - Step 5: Solve for x
x = 359,449,617,524,964,392,960/19,714,374,694.80 - Step 6: Final answer
x = 18,232,869,319.45
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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.