Finding the Fourth Proportional to 1,966,528,168.07, 2,713,811,790.26 and 1,119,756,180.51
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Solution
The fourth proportional to 1,966,528,168.07, 2,713,811,790.26 and 1,119,756,180.51 is: 1,545,265,190.82
Step by Step Solution
- Step 1: Write the proportion equation
1,966,528,168.07 : 2,713,811,790.26 = 1,119,756,180.51 : x - Step 2: Convert to fraction form
1,966,528,168.07/2,713,811,790.26 = 1,119,756,180.51/x - Step 3: Cross multiply
1,966,528,168.07x = 2,713,811,790.26 × 1,119,756,180.51 - Step 4: Simplify right side
1,966,528,168.07x = 3,038,807,524,887,342,080 - Step 5: Solve for x
x = 3,038,807,524,887,342,080/1,966,528,168.07 - Step 6: Final answer
x = 1,545,265,190.82
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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.