Finding the Fourth Proportional to 1,094,125,230.80, 1,641,187,846.20 and 328,220,334.80
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Solution
The fourth proportional to 1,094,125,230.80, 1,641,187,846.20 and 328,220,334.80 is: 492,330,502.20
Step by Step Solution
- Step 1: Write the proportion equation
1,094,125,230.80 : 1,641,187,846.20 = 328,220,334.80 : x - Step 2: Convert to fraction form
1,094,125,230.80/1,641,187,846.20 = 328,220,334.80/x - Step 3: Cross multiply
1,094,125,230.80x = 1,641,187,846.20 × 328,220,334.80 - Step 4: Simplify right side
1,094,125,230.80x = 538,671,224,349,454,912 - Step 5: Solve for x
x = 538,671,224,349,454,912/1,094,125,230.80 - Step 6: Final answer
x = 492,330,502.20
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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.