Finding the Fourth Proportional to 376,776,838.08, 519,952,467.62 and 209,509,508.01
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Solution
The fourth proportional to 376,776,838.08, 519,952,467.62 and 209,509,508.01 is: 289,123,360.75
Step by Step Solution
- Step 1: Write the proportion equation
376,776,838.08 : 519,952,467.62 = 209,509,508.01 : x - Step 2: Convert to fraction form
376,776,838.08/519,952,467.62 = 209,509,508.01/x - Step 3: Cross multiply
376,776,838.08x = 519,952,467.62 × 209,509,508.01 - Step 4: Simplify right side
376,776,838.08x = 108,934,985,678,080,256 - Step 5: Solve for x
x = 108,934,985,678,080,256/376,776,838.08 - Step 6: Final answer
x = 289,123,360.75
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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.