Finding the Fourth Proportional to 7,175,280,217.65, 10,762,920,326.48 and 6,716,115,193.65
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Solution
The fourth proportional to 7,175,280,217.65, 10,762,920,326.48 and 6,716,115,193.65 is: 10,074,172,790.48
Step by Step Solution
- Step 1: Write the proportion equation
7,175,280,217.65 : 10,762,920,326.48 = 6,716,115,193.65 : x - Step 2: Convert to fraction form
7,175,280,217.65/10,762,920,326.48 = 6,716,115,193.65/x - Step 3: Cross multiply
7,175,280,217.65x = 10,762,920,326.48 × 6,716,115,193.65 - Step 4: Simplify right side
7,175,280,217.65x = 72,285,012,732,683,165,696 - Step 5: Solve for x
x = 72,285,012,732,683,165,696/7,175,280,217.65 - Step 6: Final answer
x = 10,074,172,790.48
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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.