Finding the Fourth Proportional to 611,569,850.10, 917,354,775.15 and 382,246,278.90
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Solution
The fourth proportional to 611,569,850.10, 917,354,775.15 and 382,246,278.90 is: 573,369,418.35
Step by Step Solution
- Step 1: Write the proportion equation
611,569,850.10 : 917,354,775.15 = 382,246,278.90 : x - Step 2: Convert to fraction form
611,569,850.10/917,354,775.15 = 382,246,278.90/x - Step 3: Cross multiply
611,569,850.10x = 917,354,775.15 × 382,246,278.90 - Step 4: Simplify right side
611,569,850.10x = 350,655,449,232,233,664 - Step 5: Solve for x
x = 350,655,449,232,233,664/611,569,850.10 - Step 6: Final answer
x = 573,369,418.35
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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.