Finding the Fourth Proportional to 737,604,964.10, 1,106,407,446.15 and 695,278,640.90
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Solution
The fourth proportional to 737,604,964.10, 1,106,407,446.15 and 695,278,640.90 is: 1,042,917,961.35
Step by Step Solution
- Step 1: Write the proportion equation
737,604,964.10 : 1,106,407,446.15 = 695,278,640.90 : x - Step 2: Convert to fraction form
737,604,964.10/1,106,407,446.15 = 695,278,640.90/x - Step 3: Cross multiply
737,604,964.10x = 1,106,407,446.15 × 695,278,640.90 - Step 4: Simplify right side
737,604,964.10x = 769,261,465,440,812,032 - Step 5: Solve for x
x = 769,261,465,440,812,032/737,604,964.10 - Step 6: Final answer
x = 1,042,917,961.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.