Finding the Fourth Proportional to 583,533,974.32, 805,274,477.08 and 315,610,105.99
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Solution
The fourth proportional to 583,533,974.32, 805,274,477.08 and 315,610,105.99 is: 435,540,644.16
Step by Step Solution
- Step 1: Write the proportion equation
583,533,974.32 : 805,274,477.08 = 315,610,105.99 : x - Step 2: Convert to fraction form
583,533,974.32/805,274,477.08 = 315,610,105.99/x - Step 3: Cross multiply
583,533,974.32x = 805,274,477.08 × 315,610,105.99 - Step 4: Simplify right side
583,533,974.32x = 254,152,763,062,260,640 - Step 5: Solve for x
x = 254,152,763,062,260,640/583,533,974.32 - Step 6: Final answer
x = 435,540,644.16
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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.