Finding the Fourth Proportional to 852,424,591.68, 1,175,697,738.45 and 733,547,550.84
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Solution
The fourth proportional to 852,424,591.68, 1,175,697,738.45 and 733,547,550.84 is: 1,011,737,818.20
Step by Step Solution
- Step 1: Write the proportion equation
852,424,591.68 : 1,175,697,738.45 = 733,547,550.84 : x - Step 2: Convert to fraction form
852,424,591.68/1,175,697,738.45 = 733,547,550.84/x - Step 3: Cross multiply
852,424,591.68x = 1,175,697,738.45 × 733,547,550.84 - Step 4: Simplify right side
852,424,591.68x = 862,430,196,568,124,416 - Step 5: Solve for x
x = 862,430,196,568,124,416/852,424,591.68 - Step 6: Final answer
x = 1,011,737,818.20
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Double scale
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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.