Finding the Fourth Proportional to 707,283,090.91, 968,981,346.80 and 680,774,481.68
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Solution
The fourth proportional to 707,283,090.91, 968,981,346.80 and 680,774,481.68 is: 932,664,420.51
Step by Step Solution
- Step 1: Write the proportion equation
707,283,090.91 : 968,981,346.80 = 680,774,481.68 : x - Step 2: Convert to fraction form
707,283,090.91/968,981,346.80 = 680,774,481.68/x - Step 3: Cross multiply
707,283,090.91x = 968,981,346.80 × 680,774,481.68 - Step 4: Simplify right side
707,283,090.91x = 659,657,774,122,738,048 - Step 5: Solve for x
x = 659,657,774,122,738,048/707,283,090.91 - Step 6: Final answer
x = 932,664,420.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.