Finding the Fourth Proportional to 1,037,227,764.99, 1,555,844,304.69 and 423,811,990.74
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Solution
The fourth proportional to 1,037,227,764.99, 1,555,844,304.69 and 423,811,990.74 is: 635,719,071.85
Step by Step Solution
- Step 1: Write the proportion equation
1,037,227,764.99 : 1,555,844,304.69 = 423,811,990.74 : x - Step 2: Convert to fraction form
1,037,227,764.99/1,555,844,304.69 = 423,811,990.74/x - Step 3: Cross multiply
1,037,227,764.99x = 1,555,844,304.69 × 423,811,990.74 - Step 4: Simplify right side
1,037,227,764.99x = 659,385,472,052,160,000 - Step 5: Solve for x
x = 659,385,472,052,160,000/1,037,227,764.99 - Step 6: Final answer
x = 635,719,071.85
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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.