Finding the Fourth Proportional to 746,497,105.60, 1,119,745,658.40 and 512,694,558.40
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Solution
The fourth proportional to 746,497,105.60, 1,119,745,658.40 and 512,694,558.40 is: 769,041,837.60
Step by Step Solution
- Step 1: Write the proportion equation
746,497,105.60 : 1,119,745,658.40 = 512,694,558.40 : x - Step 2: Convert to fraction form
746,497,105.60/1,119,745,658.40 = 512,694,558.40/x - Step 3: Cross multiply
746,497,105.60x = 1,119,745,658.40 × 512,694,558.40 - Step 4: Simplify right side
746,497,105.60x = 574,087,505,853,705,280 - Step 5: Solve for x
x = 574,087,505,853,705,280/746,497,105.60 - Step 6: Final answer
x = 769,041,837.60
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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.