Finding the Fourth Proportional to 1,057,393,077.26, 1,459,241,827.29 and 634,075,658.60
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Solution
The fourth proportional to 1,057,393,077.26, 1,459,241,827.29 and 634,075,658.60 is: 875,048,023.85
Step by Step Solution
- Step 1: Write the proportion equation
1,057,393,077.26 : 1,459,241,827.29 = 634,075,658.60 : x - Step 2: Convert to fraction form
1,057,393,077.26/1,459,241,827.29 = 634,075,658.60/x - Step 3: Cross multiply
1,057,393,077.26x = 1,459,241,827.29 × 634,075,658.60 - Step 4: Simplify right side
1,057,393,077.26x = 925,269,722,688,278,016 - Step 5: Solve for x
x = 925,269,722,688,278,016/1,057,393,077.26 - Step 6: Final answer
x = 875,048,023.85
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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.