Finding the Fourth Proportional to 3,483,973,945.80, 5,225,960,918.70 and 1,186,259,257.80
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Solution
The fourth proportional to 3,483,973,945.80, 5,225,960,918.70 and 1,186,259,257.80 is: 1,779,388,886.70
Step by Step Solution
- Step 1: Write the proportion equation
3,483,973,945.80 : 5,225,960,918.70 = 1,186,259,257.80 : x - Step 2: Convert to fraction form
3,483,973,945.80/5,225,960,918.70 = 1,186,259,257.80/x - Step 3: Cross multiply
3,483,973,945.80x = 5,225,960,918.70 × 1,186,259,257.80 - Step 4: Simplify right side
3,483,973,945.80x = 6,199,344,520,708,868,096 - Step 5: Solve for x
x = 6,199,344,520,708,868,096/3,483,973,945.80 - Step 6: Final answer
x = 1,779,388,886.70
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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.