Finding the Fourth Proportional to 890,209,023.68, 1,334,371,096.64 and 299,436,867.68
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Solution
The fourth proportional to 890,209,023.68, 1,334,371,096.64 and 299,436,867.68 is: 448,838,296.26
Step by Step Solution
- Step 1: Write the proportion equation
890,209,023.68 : 1,334,371,096.64 = 299,436,867.68 : x - Step 2: Convert to fraction form
890,209,023.68/1,334,371,096.64 = 299,436,867.68/x - Step 3: Cross multiply
890,209,023.68x = 1,334,371,096.64 × 299,436,867.68 - Step 4: Simplify right side
890,209,023.68x = 399,559,901,500,608,192 - Step 5: Solve for x
x = 399,559,901,500,608,192/890,209,023.68 - Step 6: Final answer
x = 448,838,296.26
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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.