Finding the Fourth Proportional to 1,648,809,029.70, 2,473,213,544.55 and 873,968,051.70
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Solution
The fourth proportional to 1,648,809,029.70, 2,473,213,544.55 and 873,968,051.70 is: 1,310,952,077.55
Step by Step Solution
- Step 1: Write the proportion equation
1,648,809,029.70 : 2,473,213,544.55 = 873,968,051.70 : x - Step 2: Convert to fraction form
1,648,809,029.70/2,473,213,544.55 = 873,968,051.70/x - Step 3: Cross multiply
1,648,809,029.70x = 2,473,213,544.55 × 873,968,051.70 - Step 4: Simplify right side
1,648,809,029.70x = 2,161,509,622,968,414,976 - Step 5: Solve for x
x = 2,161,509,622,968,414,976/1,648,809,029.70 - Step 6: Final answer
x = 1,310,952,077.55
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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.