Finding the Fourth Proportional to 691,258,100.92, 1,036,888,202.90 and 282,314,251.40
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Solution
The fourth proportional to 691,258,100.92, 1,036,888,202.90 and 282,314,251.40 is: 423,471,806.55
Step by Step Solution
- Step 1: Write the proportion equation
691,258,100.92 : 1,036,888,202.90 = 282,314,251.40 : x - Step 2: Convert to fraction form
691,258,100.92/1,036,888,202.90 = 282,314,251.40/x - Step 3: Cross multiply
691,258,100.92x = 1,036,888,202.90 × 282,314,251.40 - Step 4: Simplify right side
691,258,100.92x = 292,728,316,787,204,800 - Step 5: Solve for x
x = 292,728,316,787,204,800/691,258,100.92 - Step 6: Final answer
x = 423,471,806.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.