Finding the Fourth Proportional to 1,324,609,974.76, 1,828,058,378.34 and 767,836,762.60
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Solution
The fourth proportional to 1,324,609,974.76, 1,828,058,378.34 and 767,836,762.60 is: 1,059,670,736.15
Step by Step Solution
- Step 1: Write the proportion equation
1,324,609,974.76 : 1,828,058,378.34 = 767,836,762.60 : x - Step 2: Convert to fraction form
1,324,609,974.76/1,828,058,378.34 = 767,836,762.60/x - Step 3: Cross multiply
1,324,609,974.76x = 1,828,058,378.34 × 767,836,762.60 - Step 4: Simplify right side
1,324,609,974.76x = 1,403,650,427,068,391,424 - Step 5: Solve for x
x = 1,403,650,427,068,391,424/1,324,609,974.76 - Step 6: Final answer
x = 1,059,670,736.15
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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.