Finding the Fourth Proportional to 408,812,907.39, 564,164,104.41 and 232,600,899.08
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Solution
The fourth proportional to 408,812,907.39, 564,164,104.41 and 232,600,899.08 is: 320,990,544.92
Step by Step Solution
- Step 1: Write the proportion equation
408,812,907.39 : 564,164,104.41 = 232,600,899.08 : x - Step 2: Convert to fraction form
408,812,907.39/564,164,104.41 = 232,600,899.08/x - Step 3: Cross multiply
408,812,907.39x = 564,164,104.41 × 232,600,899.08 - Step 4: Simplify right side
408,812,907.39x = 131,225,077,911,608,160 - Step 5: Solve for x
x = 131,225,077,911,608,160/408,812,907.39 - Step 6: Final answer
x = 320,990,544.92
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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.