Finding the Fourth Proportional to 1,497,739,735.80, 2,246,609,603.70 and 681,446,359.80
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Solution
The fourth proportional to 1,497,739,735.80, 2,246,609,603.70 and 681,446,359.80 is: 1,022,169,539.70
Step by Step Solution
- Step 1: Write the proportion equation
1,497,739,735.80 : 2,246,609,603.70 = 681,446,359.80 : x - Step 2: Convert to fraction form
1,497,739,735.80/2,246,609,603.70 = 681,446,359.80/x - Step 3: Cross multiply
1,497,739,735.80x = 2,246,609,603.70 × 681,446,359.80 - Step 4: Simplify right side
1,497,739,735.80x = 1,530,943,936,333,085,440 - Step 5: Solve for x
x = 1,530,943,936,333,085,440/1,497,739,735.80 - Step 6: Final answer
x = 1,022,169,539.70
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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.