Finding the Fourth Proportional to 883,383,954.12, 1,218,998,174.58 and 512,129,900.34
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Solution
The fourth proportional to 883,383,954.12, 1,218,998,174.58 and 512,129,900.34 is: 706,697,705.74
Step by Step Solution
- Step 1: Write the proportion equation
883,383,954.12 : 1,218,998,174.58 = 512,129,900.34 : x - Step 2: Convert to fraction form
883,383,954.12/1,218,998,174.58 = 512,129,900.34/x - Step 3: Cross multiply
883,383,954.12x = 1,218,998,174.58 × 512,129,900.34 - Step 4: Simplify right side
883,383,954.12x = 624,285,413,662,297,216 - Step 5: Solve for x
x = 624,285,413,662,297,216/883,383,954.12 - Step 6: Final answer
x = 706,697,705.74
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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.