Finding the Fourth Proportional to 633,142,382.48, 873,735,825.16 and 354,685,866.12
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Solution
The fourth proportional to 633,142,382.48, 873,735,825.16 and 354,685,866.12 is: 489,466,124.02
Step by Step Solution
- Step 1: Write the proportion equation
633,142,382.48 : 873,735,825.16 = 354,685,866.12 : x - Step 2: Convert to fraction form
633,142,382.48/873,735,825.16 = 354,685,866.12/x - Step 3: Cross multiply
633,142,382.48x = 873,735,825.16 × 354,685,866.12 - Step 4: Simplify right side
633,142,382.48x = 309,901,747,906,947,456 - Step 5: Solve for x
x = 309,901,747,906,947,456/633,142,382.48 - Step 6: Final answer
x = 489,466,124.02
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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.