Finding the Fourth Proportional to 1,767,992,130.48, 2,651,535,681.84 and 524,131,723.20
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Solution
The fourth proportional to 1,767,992,130.48, 2,651,535,681.84 and 524,131,723.20 is: 786,063,434.38
Step by Step Solution
- Step 1: Write the proportion equation
1,767,992,130.48 : 2,651,535,681.84 = 524,131,723.20 : x - Step 2: Convert to fraction form
1,767,992,130.48/2,651,535,681.84 = 524,131,723.20/x - Step 3: Cross multiply
1,767,992,130.48x = 2,651,535,681.84 × 524,131,723.20 - Step 4: Simplify right side
1,767,992,130.48x = 1,389,753,966,049,086,208 - Step 5: Solve for x
x = 1,389,753,966,049,086,208/1,767,992,130.48 - Step 6: Final answer
x = 786,063,434.38
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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.