Finding the Fourth Proportional to 354,295,497.40, 531,443,246.10 and 243,330,616.60
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Solution
The fourth proportional to 354,295,497.40, 531,443,246.10 and 243,330,616.60 is: 364,995,924.90
Step by Step Solution
- Step 1: Write the proportion equation
354,295,497.40 : 531,443,246.10 = 243,330,616.60 : x - Step 2: Convert to fraction form
354,295,497.40/531,443,246.10 = 243,330,616.60/x - Step 3: Cross multiply
354,295,497.40x = 531,443,246.10 × 243,330,616.60 - Step 4: Simplify right side
354,295,497.40x = 129,316,412,761,418,544 - Step 5: Solve for x
x = 129,316,412,761,418,544/354,295,497.40 - Step 6: Final answer
x = 364,995,924.90
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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.