Finding the Fourth Proportional to 917,623,767.98, 1,266,472,669.09 and 541,372,341.98
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Solution
The fourth proportional to 917,623,767.98, 1,266,472,669.09 and 541,372,341.98 is: 747,183,430.55
Step by Step Solution
- Step 1: Write the proportion equation
917,623,767.98 : 1,266,472,669.09 = 541,372,341.98 : x - Step 2: Convert to fraction form
917,623,767.98/1,266,472,669.09 = 541,372,341.98/x - Step 3: Cross multiply
917,623,767.98x = 1,266,472,669.09 × 541,372,341.98 - Step 4: Simplify right side
917,623,767.98x = 685,633,274,912,582,528 - Step 5: Solve for x
x = 685,633,274,912,582,528/917,623,767.98 - Step 6: Final answer
x = 747,183,430.55
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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.