Finding the Fourth Proportional to 1,034,857,534.73, 1,552,286,302.10 and 830,784,190.73
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Solution
The fourth proportional to 1,034,857,534.73, 1,552,286,302.10 and 830,784,190.73 is: 1,246,176,286.09
Step by Step Solution
- Step 1: Write the proportion equation
1,034,857,534.73 : 1,552,286,302.10 = 830,784,190.73 : x - Step 2: Convert to fraction form
1,034,857,534.73/1,552,286,302.10 = 830,784,190.73/x - Step 3: Cross multiply
1,034,857,534.73x = 1,552,286,302.10 × 830,784,190.73 - Step 4: Simplify right side
1,034,857,534.73x = 1,289,614,919,259,497,472 - Step 5: Solve for x
x = 1,289,614,919,259,497,472/1,034,857,534.73 - Step 6: Final answer
x = 1,246,176,286.09
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1.5x scale
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.