Finding the Fourth Proportional to 1,234,606,760.07, 1,851,519,859.01 and 405,423,709.08
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Solution
The fourth proportional to 1,234,606,760.07, 1,851,519,859.01 and 405,423,709.08 is: 608,007,401.99
Step by Step Solution
- Step 1: Write the proportion equation
1,234,606,760.07 : 1,851,519,859.01 = 405,423,709.08 : x - Step 2: Convert to fraction form
1,234,606,760.07/1,851,519,859.01 = 405,423,709.08/x - Step 3: Cross multiply
1,234,606,760.07x = 1,851,519,859.01 × 405,423,709.08 - Step 4: Simplify right side
1,234,606,760.07x = 750,650,048,669,913,088 - Step 5: Solve for x
x = 750,650,048,669,913,088/1,234,606,760.07 - Step 6: Final answer
x = 608,007,401.99
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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.