Finding the Fourth Proportional to 1,034,642,327.09, 1,551,948,875.49 and 481,635,451.31
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Solution
The fourth proportional to 1,034,642,327.09, 1,551,948,875.49 and 481,635,451.31 is: 722,446,373.48
Step by Step Solution
- Step 1: Write the proportion equation
1,034,642,327.09 : 1,551,948,875.49 = 481,635,451.31 : x - Step 2: Convert to fraction form
1,034,642,327.09/1,551,948,875.49 = 481,635,451.31/x - Step 3: Cross multiply
1,034,642,327.09x = 1,551,948,875.49 × 481,635,451.31 - Step 4: Simplify right side
1,034,642,327.09x = 747,473,597,056,673,152 - Step 5: Solve for x
x = 747,473,597,056,673,152/1,034,642,327.09 - Step 6: Final answer
x = 722,446,373.48
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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.