Finding the Fourth Proportional to 444,872,495.80, 667,308,743.70 and 414,639,407.80
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Solution
The fourth proportional to 444,872,495.80, 667,308,743.70 and 414,639,407.80 is: 621,959,111.70
Step by Step Solution
- Step 1: Write the proportion equation
444,872,495.80 : 667,308,743.70 = 414,639,407.80 : x - Step 2: Convert to fraction form
444,872,495.80/667,308,743.70 = 414,639,407.80/x - Step 3: Cross multiply
444,872,495.80x = 667,308,743.70 × 414,639,407.80 - Step 4: Simplify right side
444,872,495.80x = 276,692,502,307,530,016 - Step 5: Solve for x
x = 276,692,502,307,530,016/444,872,495.80 - Step 6: Final answer
x = 621,959,111.70
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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.