Finding the Fourth Proportional to 4,898,825,515.70, 7,348,217,300.84 and 1,357,556,838.90
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Solution
The fourth proportional to 4,898,825,515.70, 7,348,217,300.84 and 1,357,556,838.90 is: 2,036,329,446.42
Step by Step Solution
- Step 1: Write the proportion equation
4,898,825,515.70 : 7,348,217,300.84 = 1,357,556,838.90 : x - Step 2: Convert to fraction form
4,898,825,515.70/7,348,217,300.84 = 1,357,556,838.90/x - Step 3: Cross multiply
4,898,825,515.70x = 7,348,217,300.84 × 1,357,556,838.90 - Step 4: Simplify right side
4,898,825,515.70x = 9,975,622,650,478,641,152 - Step 5: Solve for x
x = 9,975,622,650,478,641,152/4,898,825,515.70 - Step 6: Final answer
x = 2,036,329,446.42
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1.5x scale
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.