Finding the Fourth Proportional to 3,569,205,657.90, 5,353,808,486.85 and 2,880,458,121.90
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Solution
The fourth proportional to 3,569,205,657.90, 5,353,808,486.85 and 2,880,458,121.90 is: 4,320,687,182.85
Step by Step Solution
- Step 1: Write the proportion equation
3,569,205,657.90 : 5,353,808,486.85 = 2,880,458,121.90 : x - Step 2: Convert to fraction form
3,569,205,657.90/5,353,808,486.85 = 2,880,458,121.90/x - Step 3: Cross multiply
3,569,205,657.90x = 5,353,808,486.85 × 2,880,458,121.90 - Step 4: Simplify right side
3,569,205,657.90x = 15,421,421,139,044,233,216 - Step 5: Solve for x
x = 15,421,421,139,044,233,216/3,569,205,657.90 - Step 6: Final answer
x = 4,320,687,182.85
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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.