Finding the Fourth Proportional to 369,026,425.06, 509,257,382.25 and 201,773,478.70
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Solution
The fourth proportional to 369,026,425.06, 509,257,382.25 and 201,773,478.70 is: 278,447,901.27
Step by Step Solution
- Step 1: Write the proportion equation
369,026,425.06 : 509,257,382.25 = 201,773,478.70 : x - Step 2: Convert to fraction form
369,026,425.06/509,257,382.25 = 201,773,478.70/x - Step 3: Cross multiply
369,026,425.06x = 509,257,382.25 × 201,773,478.70 - Step 4: Simplify right side
369,026,425.06x = 102,754,633,570,238,128 - Step 5: Solve for x
x = 102,754,633,570,238,128/369,026,425.06 - Step 6: Final answer
x = 278,447,901.27
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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.