Finding the Fourth Proportional to 1,450,661,519.67, 2,176,419,203.78 and 468,069,625.95
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Solution
The fourth proportional to 1,450,661,519.67, 2,176,419,203.78 and 468,069,625.95 is: 702,242,190.07
Step by Step Solution
- Step 1: Write the proportion equation
1,450,661,519.67 : 2,176,419,203.78 = 468,069,625.95 : x - Step 2: Convert to fraction form
1,450,661,519.67/2,176,419,203.78 = 468,069,625.95/x - Step 3: Cross multiply
1,450,661,519.67x = 2,176,419,203.78 × 468,069,625.95 - Step 4: Simplify right side
1,450,661,519.67x = 1,018,715,722,621,361,152 - Step 5: Solve for x
x = 1,018,715,722,621,361,152/1,450,661,519.67 - Step 6: Final answer
x = 702,242,190.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.