Finding the Fourth Proportional to 465,682,888.29, 698,620,739.16 and 189,334,149.54
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Solution
The fourth proportional to 465,682,888.29, 698,620,739.16 and 189,334,149.54 is: 284,040,420.69
Step by Step Solution
- Step 1: Write the proportion equation
465,682,888.29 : 698,620,739.16 = 189,334,149.54 : x - Step 2: Convert to fraction form
465,682,888.29/698,620,739.16 = 189,334,149.54/x - Step 3: Cross multiply
465,682,888.29x = 698,620,739.16 × 189,334,149.54 - Step 4: Simplify right side
465,682,888.29x = 132,272,763,499,864,768 - Step 5: Solve for x
x = 132,272,763,499,864,768/465,682,888.29 - Step 6: Final answer
x = 284,040,420.69
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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.