Finding the Fourth Proportional to 1,688,445,628.26, 2,330,055,187.84 and 935,807,394.36
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Solution
The fourth proportional to 1,688,445,628.26, 2,330,055,187.84 and 935,807,394.36 is: 1,291,414,326.62
Step by Step Solution
- Step 1: Write the proportion equation
1,688,445,628.26 : 2,330,055,187.84 = 935,807,394.36 : x - Step 2: Convert to fraction form
1,688,445,628.26/2,330,055,187.84 = 935,807,394.36/x - Step 3: Cross multiply
1,688,445,628.26x = 2,330,055,187.84 × 935,807,394.36 - Step 4: Simplify right side
1,688,445,628.26x = 2,180,482,874,047,550,976 - Step 5: Solve for x
x = 2,180,482,874,047,550,976/1,688,445,628.26 - Step 6: Final answer
x = 1,291,414,326.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.