Finding the Fourth Proportional to 819,362,333.92, 1,130,823,311.07 and 537,341,947.96
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Solution
The fourth proportional to 819,362,333.92, 1,130,823,311.07 and 537,341,947.96 is: 741,599,626.46
Step by Step Solution
- Step 1: Write the proportion equation
819,362,333.92 : 1,130,823,311.07 = 537,341,947.96 : x - Step 2: Convert to fraction form
819,362,333.92/1,130,823,311.07 = 537,341,947.96/x - Step 3: Cross multiply
819,362,333.92x = 1,130,823,311.07 × 537,341,947.96 - Step 4: Simplify right side
819,362,333.92x = 607,638,800,768,930,816 - Step 5: Solve for x
x = 607,638,800,768,930,816/819,362,333.92 - Step 6: Final answer
x = 741,599,626.46
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.