Finding the Fourth Proportional to 1,134,465,125.94, 1,702,462,447.17 and 397,541,651.27
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Solution
The fourth proportional to 1,134,465,125.94, 1,702,462,447.17 and 397,541,651.27 is: 596,580,465.09
Step by Step Solution
- Step 1: Write the proportion equation
1,134,465,125.94 : 1,702,462,447.17 = 397,541,651.27 : x - Step 2: Convert to fraction form
1,134,465,125.94/1,702,462,447.17 = 397,541,651.27/x - Step 3: Cross multiply
1,134,465,125.94x = 1,702,462,447.17 × 397,541,651.27 - Step 4: Simplify right side
1,134,465,125.94x = 676,799,732,464,614,656 - Step 5: Solve for x
x = 676,799,732,464,614,656/1,134,465,125.94 - Step 6: Final answer
x = 596,580,465.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.