Finding the Fourth Proportional to 656,845,703.06, 901,618,684.97 and 580,840,979.54
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Solution
The fourth proportional to 656,845,703.06, 901,618,684.97 and 580,840,979.54 is: 797,290,867.10
Step by Step Solution
- Step 1: Write the proportion equation
656,845,703.06 : 901,618,684.97 = 580,840,979.54 : x - Step 2: Convert to fraction form
656,845,703.06/901,618,684.97 = 580,840,979.54/x - Step 3: Cross multiply
656,845,703.06x = 901,618,684.97 × 580,840,979.54 - Step 4: Simplify right side
656,845,703.06x = 523,697,080,142,129,152 - Step 5: Solve for x
x = 523,697,080,142,129,152/656,845,703.06 - Step 6: Final answer
x = 797,290,867.10
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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.