Finding the Fourth Proportional to 843,424,369.60, 1,265,952,648 and 407,032,256.32
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Solution
The fourth proportional to 843,424,369.60, 1,265,952,648 and 407,032,256.32 is: 610,942,227.05
Step by Step Solution
- Step 1: Write the proportion equation
843,424,369.60 : 1,265,952,648 = 407,032,256.32 : x - Step 2: Convert to fraction form
843,424,369.60/1,265,952,648 = 407,032,256.32/x - Step 3: Cross multiply
843,424,369.60x = 1,265,952,648 × 407,032,256.32 - Step 4: Simplify right side
843,424,369.60x = 515,283,562,709,718,720 - Step 5: Solve for x
x = 515,283,562,709,718,720/843,424,369.60 - Step 6: Final answer
x = 610,942,227.05
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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.