Finding the Fourth Proportional to 3,459,303,421.45, 5,197,233,186.88 and 2,218,165,555.14
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Solution
The fourth proportional to 3,459,303,421.45, 5,197,233,186.88 and 2,218,165,555.14 is: 3,332,556,365.45
Step by Step Solution
- Step 1: Write the proportion equation
3,459,303,421.45 : 5,197,233,186.88 = 2,218,165,555.14 : x - Step 2: Convert to fraction form
3,459,303,421.45/5,197,233,186.88 = 2,218,165,555.14/x - Step 3: Cross multiply
3,459,303,421.45x = 5,197,233,186.88 × 2,218,165,555.14 - Step 4: Simplify right side
3,459,303,421.45x = 11,528,323,637,162,381,312 - Step 5: Solve for x
x = 11,528,323,637,162,381,312/3,459,303,421.45 - Step 6: Final answer
x = 3,332,556,365.45
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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.