Finding the Fourth Proportional to 415,367,409.81, 623,052,170.40 and 169,724,045.49
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Solution
The fourth proportional to 415,367,409.81, 623,052,170.40 and 169,724,045.49 is: 254,586,499.59
Step by Step Solution
- Step 1: Write the proportion equation
415,367,409.81 : 623,052,170.40 = 169,724,045.49 : x - Step 2: Convert to fraction form
415,367,409.81/623,052,170.40 = 169,724,045.49/x - Step 3: Cross multiply
415,367,409.81x = 623,052,170.40 × 169,724,045.49 - Step 4: Simplify right side
415,367,409.81x = 105,746,934,909,911,168 - Step 5: Solve for x
x = 105,746,934,909,911,168/415,367,409.81 - Step 6: Final answer
x = 254,586,499.59
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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.