Finding the Fourth Proportional to 387,239,823.36, 534,377,382.84 and 211,024,222.92
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Solution
The fourth proportional to 387,239,823.36, 534,377,382.84 and 211,024,222.92 is: 291,206,030.88
Step by Step Solution
- Step 1: Write the proportion equation
387,239,823.36 : 534,377,382.84 = 211,024,222.92 : x - Step 2: Convert to fraction form
387,239,823.36/534,377,382.84 = 211,024,222.92/x - Step 3: Cross multiply
387,239,823.36x = 534,377,382.84 × 211,024,222.92 - Step 4: Simplify right side
387,239,823.36x = 112,766,571,959,834,336 - Step 5: Solve for x
x = 112,766,571,959,834,336/387,239,823.36 - Step 6: Final answer
x = 291,206,030.88
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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.