Finding the Fourth Proportional to 2,247,689,288.60, 3,371,533,932.90 and 2,213,251,911.80
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Solution
The fourth proportional to 2,247,689,288.60, 3,371,533,932.90 and 2,213,251,911.80 is: 3,319,877,867.70
Step by Step Solution
- Step 1: Write the proportion equation
2,247,689,288.60 : 3,371,533,932.90 = 2,213,251,911.80 : x - Step 2: Convert to fraction form
2,247,689,288.60/3,371,533,932.90 = 2,213,251,911.80/x - Step 3: Cross multiply
2,247,689,288.60x = 3,371,533,932.90 × 2,213,251,911.80 - Step 4: Simplify right side
2,247,689,288.60x = 7,462,053,922,689,499,136 - Step 5: Solve for x
x = 7,462,053,922,689,499,136/2,247,689,288.60 - Step 6: Final answer
x = 3,319,877,867.70
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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.