Finding the Fourth Proportional to 708,589,213.60, 1,062,883,820.40 and 248,467,595.80
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Solution
The fourth proportional to 708,589,213.60, 1,062,883,820.40 and 248,467,595.80 is: 372,701,393.70
Step by Step Solution
- Step 1: Write the proportion equation
708,589,213.60 : 1,062,883,820.40 = 248,467,595.80 : x - Step 2: Convert to fraction form
708,589,213.60/1,062,883,820.40 = 248,467,595.80/x - Step 3: Cross multiply
708,589,213.60x = 1,062,883,820.40 × 248,467,595.80 - Step 4: Simplify right side
708,589,213.60x = 264,092,187,469,507,008 - Step 5: Solve for x
x = 264,092,187,469,507,008/708,589,213.60 - Step 6: Final answer
x = 372,701,393.70
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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.