Finding the Fourth Proportional to 837,116,040.70, 1,155,210,968.23 and 460,764,581.99
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Solution
The fourth proportional to 837,116,040.70, 1,155,210,968.23 and 460,764,581.99 is: 635,850,076.94
Step by Step Solution
- Step 1: Write the proportion equation
837,116,040.70 : 1,155,210,968.23 = 460,764,581.99 : x - Step 2: Convert to fraction form
837,116,040.70/1,155,210,968.23 = 460,764,581.99/x - Step 3: Cross multiply
837,116,040.70x = 1,155,210,968.23 × 460,764,581.99 - Step 4: Simplify right side
837,116,040.70x = 532,280,298,886,759,168 - Step 5: Solve for x
x = 532,280,298,886,759,168/837,116,040.70 - Step 6: Final answer
x = 635,850,076.94
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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.