Finding the Fourth Proportional to 421,611,010,686.24, 581,806,876,404 and 228,918,773,308.08
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Solution
The fourth proportional to 421,611,010,686.24, 581,806,876,404 and 228,918,773,308.08 is: 315,899,046,924.38
Step by Step Solution
- Step 1: Write the proportion equation
421,611,010,686.24 : 581,806,876,404 = 228,918,773,308.08 : x - Step 2: Convert to fraction form
421,611,010,686.24/581,806,876,404 = 228,918,773,308.08/x - Step 3: Cross multiply
421,611,010,686.24x = 581,806,876,404 × 228,918,773,308.08 - Step 4: Simplify right side
421,611,010,686.24x = 133,186,516,448,609,386,364,928 - Step 5: Solve for x
x = 133,186,516,448,609,386,364,928/421,611,010,686.24 - Step 6: Final answer
x = 315,899,046,924.38
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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.