Finding the Fourth Proportional to 441,217,276.20, 661,825,914.30 and 293,264,101.80
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Solution
The fourth proportional to 441,217,276.20, 661,825,914.30 and 293,264,101.80 is: 439,896,152.70
Step by Step Solution
- Step 1: Write the proportion equation
441,217,276.20 : 661,825,914.30 = 293,264,101.80 : x - Step 2: Convert to fraction form
441,217,276.20/661,825,914.30 = 293,264,101.80/x - Step 3: Cross multiply
441,217,276.20x = 661,825,914.30 × 293,264,101.80 - Step 4: Simplify right side
441,217,276.20x = 194,089,782,305,153,280 - Step 5: Solve for x
x = 194,089,782,305,153,280/441,217,276.20 - Step 6: Final answer
x = 439,896,152.70
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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.