Finding the Fourth Proportional to 3,768,315,830.64, 5,653,316,744.25 and 1,148,324,986.67
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Solution
The fourth proportional to 3,768,315,830.64, 5,653,316,744.25 and 1,148,324,986.67 is: 1,722,744,368.23
Step by Step Solution
- Step 1: Write the proportion equation
3,768,315,830.64 : 5,653,316,744.25 = 1,148,324,986.67 : x - Step 2: Convert to fraction form
3,768,315,830.64/5,653,316,744.25 = 1,148,324,986.67/x - Step 3: Cross multiply
3,768,315,830.64x = 5,653,316,744.25 × 1,148,324,986.67 - Step 4: Simplify right side
3,768,315,830.64x = 6,491,844,874,953,902,080 - Step 5: Solve for x
x = 6,491,844,874,953,902,080/3,768,315,830.64 - Step 6: Final answer
x = 1,722,744,368.23
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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.