Finding the Fourth Proportional to 316,675,615.70, 475,013,423.55 and 316,675,615.70
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Solution
The fourth proportional to 316,675,615.70, 475,013,423.55 and 316,675,615.70 is: 475,013,423.55
Step by Step Solution
- Step 1: Write the proportion equation
316,675,615.70 : 475,013,423.55 = 316,675,615.70 : x - Step 2: Convert to fraction form
316,675,615.70/475,013,423.55 = 316,675,615.70/x - Step 3: Cross multiply
316,675,615.70x = 475,013,423.55 × 316,675,615.70 - Step 4: Simplify right side
316,675,615.70x = 150,425,168,368,461,120 - Step 5: Solve for x
x = 150,425,168,368,461,120/316,675,615.70 - Step 6: Final answer
x = 475,013,423.55
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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.