Finding the Fourth Proportional to 3,424,425,621.42, 4,725,731,544.03 and 1,859,863,317.42
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Solution
The fourth proportional to 3,424,425,621.42, 4,725,731,544.03 and 1,859,863,317.42 is: 2,566,624,514.12
Step by Step Solution
- Step 1: Write the proportion equation
3,424,425,621.42 : 4,725,731,544.03 = 1,859,863,317.42 : x - Step 2: Convert to fraction form
3,424,425,621.42/4,725,731,544.03 = 1,859,863,317.42/x - Step 3: Cross multiply
3,424,425,621.42x = 4,725,731,544.03 × 1,859,863,317.42 - Step 4: Simplify right side
3,424,425,621.42x = 8,789,214,746,715,974,656 - Step 5: Solve for x
x = 8,789,214,746,715,974,656/3,424,425,621.42 - Step 6: Final answer
x = 2,566,624,514.12
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1.5x scale
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.