Finding the Fourth Proportional to 726,366,452.16, 1,089,542,498.40 and 332,781,637.44
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Solution
The fourth proportional to 726,366,452.16, 1,089,542,498.40 and 332,781,637.44 is: 499,169,166.75
Step by Step Solution
- Step 1: Write the proportion equation
726,366,452.16 : 1,089,542,498.40 = 332,781,637.44 : x - Step 2: Convert to fraction form
726,366,452.16/1,089,542,498.40 = 332,781,637.44/x - Step 3: Cross multiply
726,366,452.16x = 1,089,542,498.40 × 332,781,637.44 - Step 4: Simplify right side
726,366,452.16x = 362,579,736,678,020,608 - Step 5: Solve for x
x = 362,579,736,678,020,608/726,366,452.16 - Step 6: Final answer
x = 499,169,166.75
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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.