Finding the Fourth Proportional to 1,094,125,601.80, 1,641,188,402.70 and 328,220,705.80
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Solution
The fourth proportional to 1,094,125,601.80, 1,641,188,402.70 and 328,220,705.80 is: 492,331,058.70
Step by Step Solution
- Step 1: Write the proportion equation
1,094,125,601.80 : 1,641,188,402.70 = 328,220,705.80 : x - Step 2: Convert to fraction form
1,094,125,601.80/1,641,188,402.70 = 328,220,705.80/x - Step 3: Cross multiply
1,094,125,601.80x = 1,641,188,402.70 × 328,220,705.80 - Step 4: Simplify right side
1,094,125,601.80x = 538,672,015,884,968,640 - Step 5: Solve for x
x = 538,672,015,884,968,640/1,094,125,601.80 - Step 6: Final answer
x = 492,331,058.70
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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.