Finding the Fourth Proportional to 3,292,132,660.68, 4,546,913,642.28 and 2,168,126,985
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Solution
The fourth proportional to 3,292,132,660.68, 4,546,913,642.28 and 2,168,126,985 is: 2,994,498,455.07
Step by Step Solution
- Step 1: Write the proportion equation
3,292,132,660.68 : 4,546,913,642.28 = 2,168,126,985 : x - Step 2: Convert to fraction form
3,292,132,660.68/4,546,913,642.28 = 2,168,126,985/x - Step 3: Cross multiply
3,292,132,660.68x = 4,546,913,642.28 × 2,168,126,985 - Step 4: Simplify right side
3,292,132,660.68x = 9,858,286,166,291,904,512 - Step 5: Solve for x
x = 9,858,286,166,291,904,512/3,292,132,660.68 - Step 6: Final answer
x = 2,994,498,455.07
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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.