Finding the Fourth Proportional to 715,563,604.37, 1,073,369,321.51 and 197,950,699.19
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Solution
The fourth proportional to 715,563,604.37, 1,073,369,321.51 and 197,950,699.19 is: 296,932,664.53
Step by Step Solution
- Step 1: Write the proportion equation
715,563,604.37 : 1,073,369,321.51 = 197,950,699.19 : x - Step 2: Convert to fraction form
715,563,604.37/1,073,369,321.51 = 197,950,699.19/x - Step 3: Cross multiply
715,563,604.37x = 1,073,369,321.51 × 197,950,699.19 - Step 4: Simplify right side
715,563,604.37x = 212,474,207,683,694,080 - Step 5: Solve for x
x = 212,474,207,683,694,080/715,563,604.37 - Step 6: Final answer
x = 296,932,664.53
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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.