Finding the Fourth Proportional to 493,198,931.94, 680,609,101.94 and 267,132,291.42
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Solution
The fourth proportional to 493,198,931.94, 680,609,101.94 and 267,132,291.42 is: 368,639,624.27
Step by Step Solution
- Step 1: Write the proportion equation
493,198,931.94 : 680,609,101.94 = 267,132,291.42 : x - Step 2: Convert to fraction form
493,198,931.94/680,609,101.94 = 267,132,291.42/x - Step 3: Cross multiply
493,198,931.94x = 680,609,101.94 × 267,132,291.42 - Step 4: Simplify right side
493,198,931.94x = 181,812,668,962,540,576 - Step 5: Solve for x
x = 181,812,668,962,540,576/493,198,931.94 - Step 6: Final answer
x = 368,639,624.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.