Finding the Fourth Proportional to 917,623,768.98, 1,266,472,670.47 and 541,372,342.98
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Solution
The fourth proportional to 917,623,768.98, 1,266,472,670.47 and 541,372,342.98 is: 747,183,431.94
Step by Step Solution
- Step 1: Write the proportion equation
917,623,768.98 : 1,266,472,670.47 = 541,372,342.98 : x - Step 2: Convert to fraction form
917,623,768.98/1,266,472,670.47 = 541,372,342.98/x - Step 3: Cross multiply
917,623,768.98x = 1,266,472,670.47 × 541,372,342.98 - Step 4: Simplify right side
917,623,768.98x = 685,633,276,932,481,408 - Step 5: Solve for x
x = 685,633,276,932,481,408/917,623,768.98 - Step 6: Final answer
x = 747,183,431.94
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1.5x scale
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.