Finding the Fourth Proportional to 4,503,715,871.90, 6,215,178,459.90 and 2,572,739,403.94
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Solution
The fourth proportional to 4,503,715,871.90, 6,215,178,459.90 and 2,572,739,403.94 is: 3,550,409,257.85
Step by Step Solution
- Step 1: Write the proportion equation
4,503,715,871.90 : 6,215,178,459.90 = 2,572,739,403.94 : x - Step 2: Convert to fraction form
4,503,715,871.90/6,215,178,459.90 = 2,572,739,403.94/x - Step 3: Cross multiply
4,503,715,871.90x = 6,215,178,459.90 × 2,572,739,403.94 - Step 4: Simplify right side
4,503,715,871.90x = 15,990,034,526,303,852,544 - Step 5: Solve for x
x = 15,990,034,526,303,852,544/4,503,715,871.90 - Step 6: Final answer
x = 3,550,409,257.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.