Finding the Fourth Proportional to 911,092,257.44, 1,257,301,054.68 and 493,394,984.24
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Solution
The fourth proportional to 911,092,257.44, 1,257,301,054.68 and 493,394,984.24 is: 680,881,687.88
Step by Step Solution
- Step 1: Write the proportion equation
911,092,257.44 : 1,257,301,054.68 = 493,394,984.24 : x - Step 2: Convert to fraction form
911,092,257.44/1,257,301,054.68 = 493,394,984.24/x - Step 3: Cross multiply
911,092,257.44x = 1,257,301,054.68 × 493,394,984.24 - Step 4: Simplify right side
911,092,257.44x = 620,346,034,058,774,016 - Step 5: Solve for x
x = 620,346,034,058,774,016/911,092,257.44 - Step 6: Final answer
x = 680,881,687.88
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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.