Finding the Fourth Proportional to 1,896,816,277.81, 2,617,637,453.63 and 1,038,476,536.93
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Solution
The fourth proportional to 1,896,816,277.81, 2,617,637,453.63 and 1,038,476,536.93 is: 1,433,114,587.63
Step by Step Solution
- Step 1: Write the proportion equation
1,896,816,277.81 : 2,617,637,453.63 = 1,038,476,536.93 : x - Step 2: Convert to fraction form
1,896,816,277.81/2,617,637,453.63 = 1,038,476,536.93/x - Step 3: Cross multiply
1,896,816,277.81x = 2,617,637,453.63 × 1,038,476,536.93 - Step 4: Simplify right side
1,896,816,277.81x = 2,718,355,077,783,945,728 - Step 5: Solve for x
x = 2,718,355,077,783,945,728/1,896,816,277.81 - Step 6: Final answer
x = 1,433,114,587.63
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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.