Finding the Fourth Proportional to 1,126,715,449.41, 1,687,939,925.85 and 752,093,740.55
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Solution
The fourth proportional to 1,126,715,449.41, 1,687,939,925.85 and 752,093,740.55 is: 1,126,716,646.45
Step by Step Solution
- Step 1: Write the proportion equation
1,126,715,449.41 : 1,687,939,925.85 = 752,093,740.55 : x - Step 2: Convert to fraction form
1,126,715,449.41/1,687,939,925.85 = 752,093,740.55/x - Step 3: Cross multiply
1,126,715,449.41x = 1,687,939,925.85 × 752,093,740.55 - Step 4: Simplify right side
1,126,715,449.41x = 1,269,489,052,660,435,968 - Step 5: Solve for x
x = 1,269,489,052,660,435,968/1,126,715,449.41 - Step 6: Final answer
x = 1,126,716,646.45
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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.