Finding the Fourth Proportional to 718,767,762.75, 1,078,270,775.48 and 252,308,156.99
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Solution
The fourth proportional to 718,767,762.75, 1,078,270,775.48 and 252,308,156.99 is: 378,504,054.01
Step by Step Solution
- Step 1: Write the proportion equation
718,767,762.75 : 1,078,270,775.48 = 252,308,156.99 : x - Step 2: Convert to fraction form
718,767,762.75/1,078,270,775.48 = 252,308,156.99/x - Step 3: Cross multiply
718,767,762.75x = 1,078,270,775.48 × 252,308,156.99 - Step 4: Simplify right side
718,767,762.75x = 272,056,512,092,776,320 - Step 5: Solve for x
x = 272,056,512,092,776,320/718,767,762.75 - Step 6: Final answer
x = 378,504,054.01
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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.