Finding the Fourth Proportional to 426,729,817.86, 588,981,884.58 and 259,430,530.14
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Solution
The fourth proportional to 426,729,817.86, 588,981,884.58 and 259,430,530.14 is: 358,071,726.33
Step by Step Solution
- Step 1: Write the proportion equation
426,729,817.86 : 588,981,884.58 = 259,430,530.14 : x - Step 2: Convert to fraction form
426,729,817.86/588,981,884.58 = 259,430,530.14/x - Step 3: Cross multiply
426,729,817.86x = 588,981,884.58 × 259,430,530.14 - Step 4: Simplify right side
426,729,817.86x = 152,799,882,559,445,696 - Step 5: Solve for x
x = 152,799,882,559,445,696/426,729,817.86 - Step 6: Final answer
x = 358,071,726.33
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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.