Finding the Fourth Proportional to 1,337,239,188.68, 1,845,380,450.58 and 742,520,755.40
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Solution
The fourth proportional to 1,337,239,188.68, 1,845,380,450.58 and 742,520,755.40 is: 1,024,673,295.37
Step by Step Solution
- Step 1: Write the proportion equation
1,337,239,188.68 : 1,845,380,450.58 = 742,520,755.40 : x - Step 2: Convert to fraction form
1,337,239,188.68/1,845,380,450.58 = 742,520,755.40/x - Step 3: Cross multiply
1,337,239,188.68x = 1,845,380,450.58 × 742,520,755.40 - Step 4: Simplify right side
1,337,239,188.68x = 1,370,233,286,165,053,952 - Step 5: Solve for x
x = 1,370,233,286,165,053,952/1,337,239,188.68 - Step 6: Final answer
x = 1,024,673,295.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.