Finding the Fourth Proportional to 694,195,554.08, 957,987,213.36 and 380,935,004.96
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Solution
The fourth proportional to 694,195,554.08, 957,987,213.36 and 380,935,004.96 is: 525,688,851.98
Step by Step Solution
- Step 1: Write the proportion equation
694,195,554.08 : 957,987,213.36 = 380,935,004.96 : x - Step 2: Convert to fraction form
694,195,554.08/957,987,213.36 = 380,935,004.96/x - Step 3: Cross multiply
694,195,554.08x = 957,987,213.36 × 380,935,004.96 - Step 4: Simplify right side
694,195,554.08x = 364,930,863,872,908,160 - Step 5: Solve for x
x = 364,930,863,872,908,160/694,195,554.08 - Step 6: Final answer
x = 525,688,851.98
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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.