Finding the Fourth Proportional to 997,622,418.44, 1,376,416,554.36 and 696,199,712.24
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Solution
The fourth proportional to 997,622,418.44, 1,376,416,554.36 and 696,199,712.24 is: 960,544,582.15
Step by Step Solution
- Step 1: Write the proportion equation
997,622,418.44 : 1,376,416,554.36 = 696,199,712.24 : x - Step 2: Convert to fraction form
997,622,418.44/1,376,416,554.36 = 696,199,712.24/x - Step 3: Cross multiply
997,622,418.44x = 1,376,416,554.36 × 696,199,712.24 - Step 4: Simplify right side
997,622,418.44x = 958,260,809,067,804,288 - Step 5: Solve for x
x = 958,260,809,067,804,288/997,622,418.44 - Step 6: Final answer
x = 960,544,582.15
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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.