Finding the Fourth Proportional to 1,515,919,415.31, 2,274,096,032.73 and 466,746,390.99
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Solution
The fourth proportional to 1,515,919,415.31, 2,274,096,032.73 and 466,746,390.99 is: 700,186,372.26
Step by Step Solution
- Step 1: Write the proportion equation
1,515,919,415.31 : 2,274,096,032.73 = 466,746,390.99 : x - Step 2: Convert to fraction form
1,515,919,415.31/2,274,096,032.73 = 466,746,390.99/x - Step 3: Cross multiply
1,515,919,415.31x = 2,274,096,032.73 × 466,746,390.99 - Step 4: Simplify right side
1,515,919,415.31x = 1,061,426,116,041,404,416 - Step 5: Solve for x
x = 1,061,426,116,041,404,416/1,515,919,415.31 - Step 6: Final answer
x = 700,186,372.26
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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.