Finding the Fourth Proportional to 455,049,728.88, 627,964,161.48 and 246,201,289.08
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Solution
The fourth proportional to 455,049,728.88, 627,964,161.48 and 246,201,289.08 is: 339,755,363.51
Step by Step Solution
- Step 1: Write the proportion equation
455,049,728.88 : 627,964,161.48 = 246,201,289.08 : x - Step 2: Convert to fraction form
455,049,728.88/627,964,161.48 = 246,201,289.08/x - Step 3: Cross multiply
455,049,728.88x = 627,964,161.48 × 246,201,289.08 - Step 4: Simplify right side
455,049,728.88x = 154,605,586,052,417,280 - Step 5: Solve for x
x = 154,605,586,052,417,280/455,049,728.88 - Step 6: Final answer
x = 339,755,363.51
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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.