Finding the Fourth Proportional to 1,756,349,984.28, 2,634,579,563.94 and 651,229,840.92
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Solution
The fourth proportional to 1,756,349,984.28, 2,634,579,563.94 and 651,229,840.92 is: 976,865,001.66
Step by Step Solution
- Step 1: Write the proportion equation
1,756,349,984.28 : 2,634,579,563.94 = 651,229,840.92 : x - Step 2: Convert to fraction form
1,756,349,984.28/2,634,579,563.94 = 651,229,840.92/x - Step 3: Cross multiply
1,756,349,984.28x = 2,634,579,563.94 × 651,229,840.92 - Step 4: Simplify right side
1,756,349,984.28x = 1,715,716,830,315,729,152 - Step 5: Solve for x
x = 1,715,716,830,315,729,152/1,756,349,984.28 - Step 6: Final answer
x = 976,865,001.66
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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.