Finding the Fourth Proportional to 694,538,972,171.43, 958,489,648,431.08 and 416,486,805,246.26
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Solution
The fourth proportional to 694,538,972,171.43, 958,489,648,431.08 and 416,486,805,246.26 is: 574,767,302,529.63
Step by Step Solution
- Step 1: Write the proportion equation
694,538,972,171.43 : 958,489,648,431.08 = 416,486,805,246.26 : x - Step 2: Convert to fraction form
694,538,972,171.43/958,489,648,431.08 = 416,486,805,246.26/x - Step 3: Cross multiply
694,538,972,171.43x = 958,489,648,431.08 × 416,486,805,246.26 - Step 4: Simplify right side
694,538,972,171.43x = 399,198,291,536,671,391,350,784 - Step 5: Solve for x
x = 399,198,291,536,671,391,350,784/694,538,972,171.43 - Step 6: Final answer
x = 574,767,302,529.63
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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.