Finding the Fourth Proportional to 823,444,638.71, 1,136,373,344.36 and 447,117,087.96
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Solution
The fourth proportional to 823,444,638.71, 1,136,373,344.36 and 447,117,087.96 is: 617,032,301.48
Step by Step Solution
- Step 1: Write the proportion equation
823,444,638.71 : 1,136,373,344.36 = 447,117,087.96 : x - Step 2: Convert to fraction form
823,444,638.71/1,136,373,344.36 = 447,117,087.96/x - Step 3: Cross multiply
823,444,638.71x = 1,136,373,344.36 × 447,117,087.96 - Step 4: Simplify right side
823,444,638.71x = 508,091,940,563,373,888 - Step 5: Solve for x
x = 508,091,940,563,373,888/823,444,638.71 - Step 6: Final answer
x = 617,032,301.48
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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.