Finding the Fourth Proportional to 1,177,739,406.68, 1,625,344,296.56 and 675,944,178.52
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Solution
The fourth proportional to 1,177,739,406.68, 1,625,344,296.56 and 675,944,178.52 is: 932,839,649.52
Step by Step Solution
- Step 1: Write the proportion equation
1,177,739,406.68 : 1,625,344,296.56 = 675,944,178.52 : x - Step 2: Convert to fraction form
1,177,739,406.68/1,625,344,296.56 = 675,944,178.52/x - Step 3: Cross multiply
1,177,739,406.68x = 1,625,344,296.56 × 675,944,178.52 - Step 4: Simplify right side
1,177,739,406.68x = 1,098,642,015,350,416,384 - Step 5: Solve for x
x = 1,098,642,015,350,416,384/1,177,739,406.68 - Step 6: Final answer
x = 932,839,649.52
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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.