Finding the Fourth Proportional to 458,303,930.16, 687,449,163.60 and 113,257,548.96
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Solution
The fourth proportional to 458,303,930.16, 687,449,163.60 and 113,257,548.96 is: 169,884,659.90
Step by Step Solution
- Step 1: Write the proportion equation
458,303,930.16 : 687,449,163.60 = 113,257,548.96 : x - Step 2: Convert to fraction form
458,303,930.16/687,449,163.60 = 113,257,548.96/x - Step 3: Cross multiply
458,303,930.16x = 687,449,163.60 × 113,257,548.96 - Step 4: Simplify right side
458,303,930.16x = 77,858,807,303,938,048 - Step 5: Solve for x
x = 77,858,807,303,938,048/458,303,930.16 - Step 6: Final answer
x = 169,884,659.90
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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.