Finding the Fourth Proportional to 746,497,375.60, 1,119,746,063.40 and 512,694,828.40
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Solution
The fourth proportional to 746,497,375.60, 1,119,746,063.40 and 512,694,828.40 is: 769,042,242.60
Step by Step Solution
- Step 1: Write the proportion equation
746,497,375.60 : 1,119,746,063.40 = 512,694,828.40 : x - Step 2: Convert to fraction form
746,497,375.60/1,119,746,063.40 = 512,694,828.40/x - Step 3: Cross multiply
746,497,375.60x = 1,119,746,063.40 × 512,694,828.40 - Step 4: Simplify right side
746,497,375.60x = 574,088,015,826,438,528 - Step 5: Solve for x
x = 574,088,015,826,438,528/746,497,375.60 - Step 6: Final answer
x = 769,042,242.60
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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.