Finding the Fourth Proportional to 1,158,760,372.08, 1,599,057,423.96 and 637,239,604.08
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Solution
The fourth proportional to 1,158,760,372.08, 1,599,057,423.96 and 637,239,604.08 is: 879,373,116.56
Step by Step Solution
- Step 1: Write the proportion equation
1,158,760,372.08 : 1,599,057,423.96 = 637,239,604.08 : x - Step 2: Convert to fraction form
1,158,760,372.08/1,599,057,423.96 = 637,239,604.08/x - Step 3: Cross multiply
1,158,760,372.08x = 1,599,057,423.96 × 637,239,604.08 - Step 4: Simplify right side
1,158,760,372.08x = 1,018,982,719,745,455,232 - Step 5: Solve for x
x = 1,018,982,719,745,455,232/1,158,760,372.08 - Step 6: Final answer
x = 879,373,116.56
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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.