Finding the Fourth Proportional to 5,242,516,398.65, 7,234,672,353.45 and 2,831,198,658.93
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Solution
The fourth proportional to 5,242,516,398.65, 7,234,672,353.45 and 2,831,198,658.93 is: 3,907,053,999.90
Step by Step Solution
- Step 1: Write the proportion equation
5,242,516,398.65 : 7,234,672,353.45 = 2,831,198,658.93 : x - Step 2: Convert to fraction form
5,242,516,398.65/7,234,672,353.45 = 2,831,198,658.93/x - Step 3: Cross multiply
5,242,516,398.65x = 7,234,672,353.45 × 2,831,198,658.93 - Step 4: Simplify right side
5,242,516,398.65x = 20,482,794,664,849,416,192 - Step 5: Solve for x
x = 20,482,794,664,849,416,192/5,242,516,398.65 - Step 6: Final answer
x = 3,907,053,999.90
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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.