Finding the Fourth Proportional to 463,764,424.77, 639,987,733.26 and 254,916,079.74
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Solution
The fourth proportional to 463,764,424.77, 639,987,733.26 and 254,916,079.74 is: 351,780,247.32
Step by Step Solution
- Step 1: Write the proportion equation
463,764,424.77 : 639,987,733.26 = 254,916,079.74 : x - Step 2: Convert to fraction form
463,764,424.77/639,987,733.26 = 254,916,079.74/x - Step 3: Cross multiply
463,764,424.77x = 639,987,733.26 × 254,916,079.74 - Step 4: Simplify right side
463,764,424.77x = 163,143,164,044,328,000 - Step 5: Solve for x
x = 163,143,164,044,328,000/463,764,424.77 - Step 6: Final answer
x = 351,780,247.32
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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.