Finding the Fourth Proportional to 347,097,776.54, 478,993,605.99 and 190,467,501.98
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Solution
The fourth proportional to 347,097,776.54, 478,993,605.99 and 190,467,501.98 is: 262,844,425.30
Step by Step Solution
- Step 1: Write the proportion equation
347,097,776.54 : 478,993,605.99 = 190,467,501.98 : x - Step 2: Convert to fraction form
347,097,776.54/478,993,605.99 = 190,467,501.98/x - Step 3: Cross multiply
347,097,776.54x = 478,993,605.99 × 190,467,501.98 - Step 4: Simplify right side
347,097,776.54x = 91,232,715,597,307,664 - Step 5: Solve for x
x = 91,232,715,597,307,664/347,097,776.54 - Step 6: Final answer
x = 262,844,425.30
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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.