Finding the Fourth Proportional to 883,383,955.12, 1,218,998,175.96 and 512,129,901.34
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Solution
The fourth proportional to 883,383,955.12, 1,218,998,175.96 and 512,129,901.34 is: 706,697,707.12
Step by Step Solution
- Step 1: Write the proportion equation
883,383,955.12 : 1,218,998,175.96 = 512,129,901.34 : x - Step 2: Convert to fraction form
883,383,955.12/1,218,998,175.96 = 512,129,901.34/x - Step 3: Cross multiply
883,383,955.12x = 1,218,998,175.96 × 512,129,901.34 - Step 4: Simplify right side
883,383,955.12x = 624,285,415,588,034,688 - Step 5: Solve for x
x = 624,285,415,588,034,688/883,383,955.12 - Step 6: Final answer
x = 706,697,707.12
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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.