Finding the Fourth Proportional to 1,259,227,827.36, 1,737,736,720.56 and 702,346,768.56
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Solution
The fourth proportional to 1,259,227,827.36, 1,737,736,720.56 and 702,346,768.56 is: 969,239,833.95
Step by Step Solution
- Step 1: Write the proportion equation
1,259,227,827.36 : 1,737,736,720.56 = 702,346,768.56 : x - Step 2: Convert to fraction form
1,259,227,827.36/1,737,736,720.56 = 702,346,768.56/x - Step 3: Cross multiply
1,259,227,827.36x = 1,737,736,720.56 × 702,346,768.56 - Step 4: Simplify right side
1,259,227,827.36x = 1,220,493,770,293,367,552 - Step 5: Solve for x
x = 1,220,493,770,293,367,552/1,259,227,827.36 - Step 6: Final answer
x = 969,239,833.95
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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.