Finding the Fourth Proportional to 1,171,600,943.77, 1,616,702,446.02 and 695,209,226.95
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Solution
The fourth proportional to 1,171,600,943.77, 1,616,702,446.02 and 695,209,226.95 is: 959,325,326.33
Step by Step Solution
- Step 1: Write the proportion equation
1,171,600,943.77 : 1,616,702,446.02 = 695,209,226.95 : x - Step 2: Convert to fraction form
1,171,600,943.77/1,616,702,446.02 = 695,209,226.95/x - Step 3: Cross multiply
1,171,600,943.77x = 1,616,702,446.02 × 695,209,226.95 - Step 4: Simplify right side
1,171,600,943.77x = 1,123,946,457,705,738,368 - Step 5: Solve for x
x = 1,123,946,457,705,738,368/1,171,600,943.77 - Step 6: Final answer
x = 959,325,326.33
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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.