Finding the Fourth Proportional to 7,636,631,043.21, 10,539,468,273.70 and 4,625,795,404.05
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Solution
The fourth proportional to 7,636,631,043.21, 10,539,468,273.70 and 4,625,795,404.05 is: 6,384,153,382.00
Step by Step Solution
- Step 1: Write the proportion equation
7,636,631,043.21 : 10,539,468,273.70 = 4,625,795,404.05 : x - Step 2: Convert to fraction form
7,636,631,043.21/10,539,468,273.70 = 4,625,795,404.05/x - Step 3: Cross multiply
7,636,631,043.21x = 10,539,468,273.70 × 4,625,795,404.05 - Step 4: Simplify right side
7,636,631,043.21x = 48,753,423,901,577,879,552 - Step 5: Solve for x
x = 48,753,423,901,577,879,552/7,636,631,043.21 - Step 6: Final answer
x = 6,384,153,382.00
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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.