Finding the Fourth Proportional to 245,187,207,501.70, 367,780,811,252.55 and 245,187,207,501.70
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Solution
The fourth proportional to 245,187,207,501.70, 367,780,811,252.55 and 245,187,207,501.70 is: 367,780,811,252.55
Step by Step Solution
- Step 1: Write the proportion equation
245,187,207,501.70 : 367,780,811,252.55 = 245,187,207,501.70 : x - Step 2: Convert to fraction form
245,187,207,501.70/367,780,811,252.55 = 245,187,207,501.70/x - Step 3: Cross multiply
245,187,207,501.70x = 367,780,811,252.55 × 245,187,207,501.70 - Step 4: Simplify right side
245,187,207,501.70x = 90,175,150,083,722,537,074,688 - Step 5: Solve for x
x = 90,175,150,083,722,537,074,688/245,187,207,501.70 - Step 6: Final answer
x = 367,780,811,252.55
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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.