Finding the Fourth Proportional to 1,232,153,137.94, 1,700,372,825.00 and 667,637,583.03
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Solution
The fourth proportional to 1,232,153,137.94, 1,700,372,825.00 and 667,637,583.03 is: 921,340,674.45
Step by Step Solution
- Step 1: Write the proportion equation
1,232,153,137.94 : 1,700,372,825.00 = 667,637,583.03 : x - Step 2: Convert to fraction form
1,232,153,137.94/1,700,372,825.00 = 667,637,583.03/x - Step 3: Cross multiply
1,232,153,137.94x = 1,700,372,825.00 × 667,637,583.03 - Step 4: Simplify right side
1,232,153,137.94x = 1,135,232,803,132,025,088 - Step 5: Solve for x
x = 1,135,232,803,132,025,088/1,232,153,137.94 - Step 6: Final answer
x = 921,340,674.45
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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.