Finding the Fourth Proportional to 397,258,335.36, 595,501,041.60 and 189,942,871.68
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Solution
The fourth proportional to 397,258,335.36, 595,501,041.60 and 189,942,871.68 is: 284,729,527.02
Step by Step Solution
- Step 1: Write the proportion equation
397,258,335.36 : 595,501,041.60 = 189,942,871.68 : x - Step 2: Convert to fraction form
397,258,335.36/595,501,041.60 = 189,942,871.68/x - Step 3: Cross multiply
397,258,335.36x = 595,501,041.60 × 189,942,871.68 - Step 4: Simplify right side
397,258,335.36x = 113,111,177,929,935,152 - Step 5: Solve for x
x = 113,111,177,929,935,152/397,258,335.36 - Step 6: Final answer
x = 284,729,527.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.