Finding the Fourth Proportional to 465,411,331.52, 642,269,582.16 and 256,562,891.84
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Solution
The fourth proportional to 465,411,331.52, 642,269,582.16 and 256,562,891.84 is: 354,057,862.75
Step by Step Solution
- Step 1: Write the proportion equation
465,411,331.52 : 642,269,582.16 = 256,562,891.84 : x - Step 2: Convert to fraction form
465,411,331.52/642,269,582.16 = 256,562,891.84/x - Step 3: Cross multiply
465,411,331.52x = 642,269,582.16 × 256,562,891.84 - Step 4: Simplify right side
465,411,331.52x = 164,782,541,339,838,080 - Step 5: Solve for x
x = 164,782,541,339,838,080/465,411,331.52 - Step 6: Final answer
x = 354,057,862.75
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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.