Finding the Fourth Proportional to 395,464,319.55, 592,781,235.21 and 133,057,776.33
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Solution
The fourth proportional to 395,464,319.55, 592,781,235.21 and 133,057,776.33 is: 199,446,951.62
Step by Step Solution
- Step 1: Write the proportion equation
395,464,319.55 : 592,781,235.21 = 133,057,776.33 : x - Step 2: Convert to fraction form
395,464,319.55/592,781,235.21 = 133,057,776.33/x - Step 3: Cross multiply
395,464,319.55x = 592,781,235.21 × 133,057,776.33 - Step 4: Simplify right side
395,464,319.55x = 78,874,153,007,193,312 - Step 5: Solve for x
x = 78,874,153,007,193,312/395,464,319.55 - Step 6: Final answer
x = 199,446,951.62
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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.