Finding the Fourth Proportional to 823,681,704.74, 1,136,702,949.95 and 484,613,848.42
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Solution
The fourth proportional to 823,681,704.74, 1,136,702,949.95 and 484,613,848.42 is: 668,780,170.69
Step by Step Solution
- Step 1: Write the proportion equation
823,681,704.74 : 1,136,702,949.95 = 484,613,848.42 : x - Step 2: Convert to fraction form
823,681,704.74/1,136,702,949.95 = 484,613,848.42/x - Step 3: Cross multiply
823,681,704.74x = 1,136,702,949.95 × 484,613,848.42 - Step 4: Simplify right side
823,681,704.74x = 550,861,991,084,006,016 - Step 5: Solve for x
x = 550,861,991,084,006,016/823,681,704.74 - Step 6: Final answer
x = 668,780,170.69
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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.