Finding the Fourth Proportional to 756,717,302.13, 1,044,269,415.05 and 409,036,790.13
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Solution
The fourth proportional to 756,717,302.13, 1,044,269,415.05 and 409,036,790.13 is: 564,470,520.71
Step by Step Solution
- Step 1: Write the proportion equation
756,717,302.13 : 1,044,269,415.05 = 409,036,790.13 : x - Step 2: Convert to fraction form
756,717,302.13/1,044,269,415.05 = 409,036,790.13/x - Step 3: Cross multiply
756,717,302.13x = 1,044,269,415.05 × 409,036,790.13 - Step 4: Simplify right side
756,717,302.13x = 427,144,609,560,939,520 - Step 5: Solve for x
x = 427,144,609,560,939,520/756,717,302.13 - Step 6: Final answer
x = 564,470,520.71
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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.