Finding the Fourth Proportional to 265,484,923.77, 366,252,968.49 and 253,176,251.91
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Solution
The fourth proportional to 265,484,923.77, 366,252,968.49 and 253,176,251.91 is: 349,272,389.91
Step by Step Solution
- Step 1: Write the proportion equation
265,484,923.77 : 366,252,968.49 = 253,176,251.91 : x - Step 2: Convert to fraction form
265,484,923.77/366,252,968.49 = 253,176,251.91/x - Step 3: Cross multiply
265,484,923.77x = 366,252,968.49 × 253,176,251.91 - Step 4: Simplify right side
265,484,923.77x = 92,726,553,810,886,672 - Step 5: Solve for x
x = 92,726,553,810,886,672/265,484,923.77 - Step 6: Final answer
x = 349,272,389.91
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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.