Finding the Fourth Proportional to 936,611,416.71, 1,404,372,564.09 and 354,390,564.96
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Solution
The fourth proportional to 936,611,416.71, 1,404,372,564.09 and 354,390,564.96 is: 531,379,799.05
Step by Step Solution
- Step 1: Write the proportion equation
936,611,416.71 : 1,404,372,564.09 = 354,390,564.96 : x - Step 2: Convert to fraction form
936,611,416.71/1,404,372,564.09 = 354,390,564.96/x - Step 3: Cross multiply
936,611,416.71x = 1,404,372,564.09 × 354,390,564.96 - Step 4: Simplify right side
936,611,416.71x = 497,696,386,402,178,816 - Step 5: Solve for x
x = 497,696,386,402,178,816/936,611,416.71 - Step 6: Final answer
x = 531,379,799.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.