Finding the Fourth Proportional to 7,175,280,232.15, 10,762,920,348.23 and 6,716,115,208.15
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Solution
The fourth proportional to 7,175,280,232.15, 10,762,920,348.23 and 6,716,115,208.15 is: 10,074,172,812.23
Step by Step Solution
- Step 1: Write the proportion equation
7,175,280,232.15 : 10,762,920,348.23 = 6,716,115,208.15 : x - Step 2: Convert to fraction form
7,175,280,232.15/10,762,920,348.23 = 6,716,115,208.15/x - Step 3: Cross multiply
7,175,280,232.15x = 10,762,920,348.23 × 6,716,115,208.15 - Step 4: Simplify right side
7,175,280,232.15x = 72,285,013,034,854,588,416 - Step 5: Solve for x
x = 72,285,013,034,854,588,416/7,175,280,232.15 - Step 6: Final answer
x = 10,074,172,812.23
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Double scale
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Similar ratio
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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.