Finding the Fourth Proportional to 4,635,312,242.40, 6,952,968,363.60 and 4,213,560,664.80
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Solution
The fourth proportional to 4,635,312,242.40, 6,952,968,363.60 and 4,213,560,664.80 is: 6,320,340,997.20
Step by Step Solution
- Step 1: Write the proportion equation
4,635,312,242.40 : 6,952,968,363.60 = 4,213,560,664.80 : x - Step 2: Convert to fraction form
4,635,312,242.40/6,952,968,363.60 = 4,213,560,664.80/x - Step 3: Cross multiply
4,635,312,242.40x = 6,952,968,363.60 × 4,213,560,664.80 - Step 4: Simplify right side
4,635,312,242.40x = 29,296,754,000,463,785,984 - Step 5: Solve for x
x = 29,296,754,000,463,785,984/4,635,312,242.40 - Step 6: Final answer
x = 6,320,340,997.20
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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.