Finding the Fourth Proportional to 874,696,176.48, 1,207,105,916.88 and 483,580,794.72
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Solution
The fourth proportional to 874,696,176.48, 1,207,105,916.88 and 483,580,794.72 is: 667,355,424.99
Step by Step Solution
- Step 1: Write the proportion equation
874,696,176.48 : 1,207,105,916.88 = 483,580,794.72 : x - Step 2: Convert to fraction form
874,696,176.48/1,207,105,916.88 = 483,580,794.72/x - Step 3: Cross multiply
874,696,176.48x = 1,207,105,916.88 × 483,580,794.72 - Step 4: Simplify right side
874,696,176.48x = 583,733,238,596,044,800 - Step 5: Solve for x
x = 583,733,238,596,044,800/874,696,176.48 - Step 6: Final answer
x = 667,355,424.99
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1.5x scale
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.