Finding the Fourth Proportional to 1,569,101,959.70, 2,353,652,939.55 and 880,354,423.70
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Solution
The fourth proportional to 1,569,101,959.70, 2,353,652,939.55 and 880,354,423.70 is: 1,320,531,635.55
Step by Step Solution
- Step 1: Write the proportion equation
1,569,101,959.70 : 2,353,652,939.55 = 880,354,423.70 : x - Step 2: Convert to fraction form
1,569,101,959.70/2,353,652,939.55 = 880,354,423.70/x - Step 3: Cross multiply
1,569,101,959.70x = 2,353,652,939.55 × 880,354,423.70 - Step 4: Simplify right side
1,569,101,959.70x = 2,072,048,777,187,351,552 - Step 5: Solve for x
x = 2,072,048,777,187,351,552/1,569,101,959.70 - Step 6: Final answer
x = 1,320,531,635.55
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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.