Finding the Fourth Proportional to 4,138,354,080.24, 5,718,398,985.54 and 2,946,854,473.58
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Solution
The fourth proportional to 4,138,354,080.24, 5,718,398,985.54 and 2,946,854,473.58 is: 4,071,978,691.40
Step by Step Solution
- Step 1: Write the proportion equation
4,138,354,080.24 : 5,718,398,985.54 = 2,946,854,473.58 : x - Step 2: Convert to fraction form
4,138,354,080.24/5,718,398,985.54 = 2,946,854,473.58/x - Step 3: Cross multiply
4,138,354,080.24x = 5,718,398,985.54 × 2,946,854,473.58 - Step 4: Simplify right side
4,138,354,080.24x = 16,851,289,632,225,290,240 - Step 5: Solve for x
x = 16,851,289,632,225,290,240/4,138,354,080.24 - Step 6: Final answer
x = 4,071,978,691.40
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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.