Finding the Fourth Proportional to 248,663,201.70, 372,994,802.55 and 248,663,201.70
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Solution
The fourth proportional to 248,663,201.70, 372,994,802.55 and 248,663,201.70 is: 372,994,802.55
Step by Step Solution
- Step 1: Write the proportion equation
248,663,201.70 : 372,994,802.55 = 248,663,201.70 : x - Step 2: Convert to fraction form
248,663,201.70/372,994,802.55 = 248,663,201.70/x - Step 3: Cross multiply
248,663,201.70x = 372,994,802.55 × 248,663,201.70 - Step 4: Simplify right side
248,663,201.70x = 92,750,081,819,542,320 - Step 5: Solve for x
x = 92,750,081,819,542,320/248,663,201.70 - Step 6: Final answer
x = 372,994,802.55
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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.