Finding the Fourth Proportional to 6,674,367,702.99, 9,206,437,849.68 and 3,959,713,576.85
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Solution
The fourth proportional to 6,674,367,702.99, 9,206,437,849.68 and 3,959,713,576.85 is: 5,461,919,176.47
Step by Step Solution
- Step 1: Write the proportion equation
6,674,367,702.99 : 9,206,437,849.68 = 3,959,713,576.85 : x - Step 2: Convert to fraction form
6,674,367,702.99/9,206,437,849.68 = 3,959,713,576.85/x - Step 3: Cross multiply
6,674,367,702.99x = 9,206,437,849.68 × 3,959,713,576.85 - Step 4: Simplify right side
6,674,367,702.99x = 36,454,856,947,757,584,384 - Step 5: Solve for x
x = 36,454,856,947,757,584,384/6,674,367,702.99 - Step 6: Final answer
x = 5,461,919,176.47
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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.