Finding the Fourth Proportional to 369,026,422.56, 509,257,378.80 and 201,773,476.20
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Solution
The fourth proportional to 369,026,422.56, 509,257,378.80 and 201,773,476.20 is: 278,447,897.82
Step by Step Solution
- Step 1: Write the proportion equation
369,026,422.56 : 509,257,378.80 = 201,773,476.20 : x - Step 2: Convert to fraction form
369,026,422.56/509,257,378.80 = 201,773,476.20/x - Step 3: Cross multiply
369,026,422.56x = 509,257,378.80 × 201,773,476.20 - Step 4: Simplify right side
369,026,422.56x = 102,754,631,600,976,176 - Step 5: Solve for x
x = 102,754,631,600,976,176/369,026,422.56 - Step 6: Final answer
x = 278,447,897.82
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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.