Finding the Fourth Proportional to 1,450,661,519.42, 2,176,419,203.40 and 468,069,625.70
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Solution
The fourth proportional to 1,450,661,519.42, 2,176,419,203.40 and 468,069,625.70 is: 702,242,189.69
Step by Step Solution
- Step 1: Write the proportion equation
1,450,661,519.42 : 2,176,419,203.40 = 468,069,625.70 : x - Step 2: Convert to fraction form
1,450,661,519.42/2,176,419,203.40 = 468,069,625.70/x - Step 3: Cross multiply
1,450,661,519.42x = 2,176,419,203.40 × 468,069,625.70 - Step 4: Simplify right side
1,450,661,519.42x = 1,018,715,721,901,730,176 - Step 5: Solve for x
x = 1,018,715,721,901,730,176/1,450,661,519.42 - Step 6: Final answer
x = 702,242,189.69
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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.