Finding the Fourth Proportional to 1,272,560,933.71, 1,756,106,570.57 and 736,735,192.55
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Solution
The fourth proportional to 1,272,560,933.71, 1,756,106,570.57 and 736,735,192.55 is: 1,016,678,634.51
Step by Step Solution
- Step 1: Write the proportion equation
1,272,560,933.71 : 1,756,106,570.57 = 736,735,192.55 : x - Step 2: Convert to fraction form
1,272,560,933.71/1,756,106,570.57 = 736,735,192.55/x - Step 3: Cross multiply
1,272,560,933.71x = 1,756,106,570.57 × 736,735,192.55 - Step 4: Simplify right side
1,272,560,933.71x = 1,293,785,512,411,199,744 - Step 5: Solve for x
x = 1,293,785,512,411,199,744/1,272,560,933.71 - Step 6: Final answer
x = 1,016,678,634.51
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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.