Finding the Fourth Proportional to 708,656,336.70, 1,062,984,505.05 and 637,230,666.30
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Solution
The fourth proportional to 708,656,336.70, 1,062,984,505.05 and 637,230,666.30 is: 955,845,999.45
Step by Step Solution
- Step 1: Write the proportion equation
708,656,336.70 : 1,062,984,505.05 = 637,230,666.30 : x - Step 2: Convert to fraction form
708,656,336.70/1,062,984,505.05 = 637,230,666.30/x - Step 3: Cross multiply
708,656,336.70x = 1,062,984,505.05 × 637,230,666.30 - Step 4: Simplify right side
708,656,336.70x = 677,366,324,419,587,072 - Step 5: Solve for x
x = 677,366,324,419,587,072/708,656,336.70 - Step 6: Final answer
x = 955,845,999.45
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.