Finding the Fourth Proportional to 716,321,555.90, 1,074,701,618.87 and 366,815,087.53
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Solution
The fourth proportional to 716,321,555.90, 1,074,701,618.87 and 366,815,087.53 is: 550,334,923.12
Step by Step Solution
- Step 1: Write the proportion equation
716,321,555.90 : 1,074,701,618.87 = 366,815,087.53 : x - Step 2: Convert to fraction form
716,321,555.90/1,074,701,618.87 = 366,815,087.53/x - Step 3: Cross multiply
716,321,555.90x = 1,074,701,618.87 × 366,815,087.53 - Step 4: Simplify right side
716,321,555.90x = 394,216,768,391,965,056 - Step 5: Solve for x
x = 394,216,768,391,965,056/716,321,555.90 - Step 6: Final answer
x = 550,334,923.12
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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.