Finding the Fourth Proportional to 1,332,272,493.36, 1,838,728,352.22 and 767,649,236.40
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Solution
The fourth proportional to 1,332,272,493.36, 1,838,728,352.22 and 767,649,236.40 is: 1,059,466,755.16
Step by Step Solution
- Step 1: Write the proportion equation
1,332,272,493.36 : 1,838,728,352.22 = 767,649,236.40 : x - Step 2: Convert to fraction form
1,332,272,493.36/1,838,728,352.22 = 767,649,236.40/x - Step 3: Cross multiply
1,332,272,493.36x = 1,838,728,352.22 × 767,649,236.40 - Step 4: Simplify right side
1,332,272,493.36x = 1,411,498,415,528,713,216 - Step 5: Solve for x
x = 1,411,498,415,528,713,216/1,332,272,493.36 - Step 6: Final answer
x = 1,059,466,755.16
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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.