Finding the Fourth Proportional to 453,448,624.23, 625,738,971.02 and 252,515,862.45
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Solution
The fourth proportional to 453,448,624.23, 625,738,971.02 and 252,515,862.45 is: 348,460,679.98
Step by Step Solution
- Step 1: Write the proportion equation
453,448,624.23 : 625,738,971.02 = 252,515,862.45 : x - Step 2: Convert to fraction form
453,448,624.23/625,738,971.02 = 252,515,862.45/x - Step 3: Cross multiply
453,448,624.23x = 625,738,971.02 × 252,515,862.45 - Step 4: Simplify right side
453,448,624.23x = 158,009,015,934,428,256 - Step 5: Solve for x
x = 158,009,015,934,428,256/453,448,624.23 - Step 6: Final answer
x = 348,460,679.98
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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.