Finding the Fourth Proportional to 4,292,352,026.20, 6,438,528,039.30 and 2,979,480,179.80
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Solution
The fourth proportional to 4,292,352,026.20, 6,438,528,039.30 and 2,979,480,179.80 is: 4,469,220,269.70
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,026.20 : 6,438,528,039.30 = 2,979,480,179.80 : x - Step 2: Convert to fraction form
4,292,352,026.20/6,438,528,039.30 = 2,979,480,179.80/x - Step 3: Cross multiply
4,292,352,026.20x = 6,438,528,039.30 × 2,979,480,179.80 - Step 4: Simplify right side
4,292,352,026.20x = 19,183,466,680,180,908,032 - Step 5: Solve for x
x = 19,183,466,680,180,908,032/4,292,352,026.20 - Step 6: Final answer
x = 4,469,220,269.70
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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.