Finding the Fourth Proportional to 1,651,968,201.80, 2,474,966,318.70 and 961,310,102.60
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Solution
The fourth proportional to 1,651,968,201.80, 2,474,966,318.70 and 961,310,102.60 is: 1,440,227,555.94
Step by Step Solution
- Step 1: Write the proportion equation
1,651,968,201.80 : 2,474,966,318.70 = 961,310,102.60 : x - Step 2: Convert to fraction form
1,651,968,201.80/2,474,966,318.70 = 961,310,102.60/x - Step 3: Cross multiply
1,651,968,201.80x = 2,474,966,318.70 × 961,310,102.60 - Step 4: Simplify right side
1,651,968,201.80x = 2,379,210,125,761,041,408 - Step 5: Solve for x
x = 2,379,210,125,761,041,408/1,651,968,201.80 - Step 6: Final answer
x = 1,440,227,555.94
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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.